JEE: Binomial Theorem L9 | Multinomial Theorem | Unacademy JEE | JEE Maths | Sameer Chincholikar

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Unacademy JEE | JEE 2021 | JEE Mains 2021 | JEE Advanced 2021 | Binomial Theorem | Binomial Theorem Class 11 | Binomial Theorem JEE | Binomial Theorem Class 11 Unacademy | Binomial Theorem NDA | Binomial Theorem Tricks | Negative and Fractional Indices | Multinomial Theorem | Multinomial Theorem Unacademy | Multinomial Theorem JEE | Multinomial Theorem Tricks
Unacademy JEE brings you yet another JEE Mathematics session to prepare you for JEE Mains and JEE advanced. In this session, Sameer Sir will be discussing JEE important topic "Negative and Fractional Indices and Multinomial Theorem from Binomial Theorem”, he will cover the basic concepts of the chapter, important topics, and tips & tricks to remember the concepts and solve questions. Watch this video to know all about the "Negative and Fractional Indices and Multinomial Theorem from Binomial Theorem”.
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Learn the complete details about the "Negative and Fractional Indices and Multinomial Theorem from Binomial Theorem” for IIT JEE and related Concepts in this video. It is one of the most important topics of the IIT JEE Maths question paper - in IIT JEE Advanced and JEE Mains as well. Get the best IIT notes curated by experts. Solve important JEE Main and JEE Advanced 2021 questions along with IIT JEE Maths preparation tips and tricks. Crack IIT JEE 2021 Maths with these valuable IIT JEE preparation tips and tricks.
Sameer Sir is a part of the alumnus of IIT Roorkee. Being an IITian himself, in this IIT JEE Maths Live Online Class, Sameer Sir will touch upon introduction, important questions, and strategy for "Negative and Fractional Indices and Multinomial Theorem from Binomial Theorem”. He is a passionate teacher and has helped many students crack IIT JEE. During LIVE online classes he shares his personal experiences with students preparing for IIT JEE 2021. This helps the students get acquainted with the IIT JEE exam and make a study plan and strategy that will help them crack IIT JEE mains and advance in 2021.
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Let’s study smart and know how to crack JEE 2021 with Unacademy JEE.
#Unacademy_Subscription_In_Description #UnacademyJEE #BinomialTheorem #MultinomialTheorem

[@UnacademyJEE]

For Unacademy subscription, click here NOW: unacademy.com/plus/goal/TMUVD Use Special Code: "SAMEERLIVE" (To avail 10% DISCOUNT) Follow Sameer Chincholikar Sir on Unacademy App: unacademy.com/@sameerchincholikar

[@technoisehacks3478]

Ok sir 👍👍

[@kumudkothari9269]

Sir during pandemic i started with my 11th course by that time i had taken online classes of local coz i was not knowing about unacademy but sir now i have seen teaching style of all the teachers but sir now it is very late what should i do sir??plz help me🙏🙏

[@kumudkothari9269]

I have to join unacademy.

[@tarushrajawat3582]

Sir complex numbers with trinomial bata do

[@user-vz7re4ux2q]

@@kumudkothari9269 hh hmm hmm

[@saumyaagarwal829]

Negitive and Fractional indices start- 5:47 Multinomial Theorum starts- 52:12 Homework Ques- 1:10:33 Lecture ends just after homework ques Thanks me later

[@sambolt2668]

Thanks

[@clink8sl]

Thanks Bro ♥️

[@shashankmahato7166]

Lecture starts at 5:07

[@dagaming2389]

Thank u bro

[@prakhar6943]

Tq bro

[@dharamsingh610]

Thanks bro

[@BLG120]

Tq

[@amansinghchauhan5641]

Multinomial theorem 51:30

[@chesswallah3]

That helped me

[@humnaroy1432]

Thanks

[@dharamsingh610]

Thannks bro

[@devgusain8855]

Homework answer is -91 by taking (r1,r2,r2) as (5,0,2),(4,2,1)and (3,4,0) by adding the sum of all these coefficients(x^4).😊

[@ayaanlohia6317]

how

[@saumyaagarwal829]

why do we add the sum of the coefficients?? pls explain

[@godcolor9722]

Bro r1 r2 and r3 should belong to natural numbers but 0 is not a natural number how did u take r2= 0 in your first case (5,0,2)

[@DeepakKumar62870]

👍

[@jee2524]

@@godcolor9722 yeah...how?

[@agamjain6327]

Thanks to unacademy For Providing such a Great Content 👍👍👍

[@salonisingh9223]

Sir under your supervision I got 91/100 marks in JEE mains You are the best teacher ❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️💖💖💖💖💖💖💖❣️❣️❣️❣️❣️

[@rameshrudrawal5396]

really ??????////

[@rameshrudrawal5396]

@@explore4787 gochu tera aaba

[@_RahulDewangan]

Bhai aap sirf youtube se padh rhe the ya unacademy plus+ pe,?

[@nupur8804]

Yes please reply @saloni singh

[@nupur8804]

Was you a plus student????

[@sowmyadj5875]

SAMEER sir is great discovery of unacademy....

[@kolmikaelson737]

Invention nai discovery❤

[@Akhilesh1729]

प्रभु कितना सुंदर गणित पढ़ा रहे हैं।❤️ आपके चरण धूली को माथे पे लगाने को जी चाहता है।❤️🙏

[@critiic]

1:10:33 so answer of homework question so general term - 7!/r1! r2! r3! x 1^r1! x x^r2! x (2x^2)r3! if we simplify it we will get x^r2! + 2r3! so r2! + r3! = 4 by putting values of r1 r2 r3 5 0 2 4 2 1 3 4 0 hamesha maximum value se start karna by putting r1 r2 r3 value answer - 7!/(4! 2!)*(-2) + 7!/(3! 4!)*(-2)⁰ + 7!/(5! 2!)*(-2)² = -210 + 35 + 84 = -91

[@darkorthodox945]

26:16 for Permutations and Combinations.

[@mrigankrajdubey767]

Sir your lectures are really awesome 😎😎😎

[@smitbhatt8113]

51:31 Multinomial theorem 😣😣

[@gooseberry_disliker]

thank you!

[@sarangvs2326]

lol chapter is binomial theorem and we're stuck studying multinomial theorem.....

[@gourivunni4600]

@@sarangvs2326 haha

[@sachinkumar39198]

Answer of homework question is (-91). thanks you.🙏🏻🙏🏼🙏🏼

[@abhinavpj1729]

@@sameersurla6567 yes, you are right

[@shyambabapariwar1]

How brother

[@medhashah3137]

Yss

[@spiderman8438]

Love you unacademy ✌️😘🙏🤘

[@chetaligupta3588]

why live chat is not available in the lectures

[@neeshugupta6400]

Bache reslut phuchange

[@chetaligupta3588]

@@monikkhandelwal1187 bhai chup ho ja yrr to tu 6th class ka baacha hai ...jyada my bn

[@VladmirPutin232]

@@sabkipaytmtricks9293 😂😂

[@Broker380]

Tum jaise baccho ka selection ho isliye vrna tumlog he distract hote ho

[@rachnagupta342]

Answer of homework question is -91.

[@AmazingFacts-pe2gn]

Sir ap mere bahut bare guru ho today I'm very delighted

[@abhaysachdeva]

Sir syllabus time pe krvayega (jan) bcz sir hme jldi 12th bhi start krni hai taki 2022 ka jan attempt ki taiyaari ho ske. By the way you are best teacher

[@hemantabibhar66]

Paras sir kyu is channel per nib hai

[@anantjain2208]

Sir digital book kab update hogi

[@ladliverma5544]

the best teacher of mathematics☺️ thanku so much sameer sir.🙏🙏🙏

[@Aans12954]

Sir you are our inspiration .we give you our Great respect for your hardwork🙏

[@Dashblade192]

😍😍 the lecture is haven 😍😍

[@tanishqdeore123]

Bhai vo heaven hota hai

[@Dashblade192]

@@tanishqdeore123 koi na broo see the felling not the word

[@ranapratapsingh9570]

@@Dashblade192 Bhai felling nahi, feeling hota ha😂

[@ahuman4]

@@ranapratapsingh9570 👍🤣

[@AdityaJha02]

@@ranapratapsingh9570 😂😂😂🤣🤣🤣

[@singhrudra47]

Answer to HW question is -91, taking (r1, r2, r3) as (5, 0, 2) , (4, 2, 1) and (3, 4, 0)

[@adityasood231]

how

[@utkarshsingh5739]

Rht

[@singhrudra47]

@@adityasood231 I have explained it in comment

[@adityasood231]

@@singhrudra47 no I was getting only 2 equations.... Actually my question is how to find r1 r2 and r3??

[@singhrudra47]

@@adityasood231 I forgot question but (r1, r2, r3) are power raised to variables respectively

[@abhinandanjain2399]

Thank you so much sir saare doubts clear kar diye hain aapne Thanks a lot.

[@vm_31]

how easily you taught us multinomial theorm !!! GR8 sir

[@KC-zq9vj]

38:59 sir ji aapne is time calculation main mistake ki hai 2-x common nahi aayega kyoki second bracket main 5/2 nahi 5/3 hai so aap 2 kha se common le skte hai ???

[@somitmishra4705]

Thanks sir for awesome Lecture

[@vaninemali4568]

Whoever want to see live chat but can't able to see, Silence for them😂😂

[@ut6582]

No I don’t think I wil

[@Dashblade192]

Ya to 😂😂

[@funworld9799]

Do we have to get subcription for every subject

[@tejassinha6285]

maja aa gaya....chapter maje mee khatam hoo gaya....thanks sir......u are great

[@adityajain45]

Amazing 😍😍😍

[@atishsinhaa]

Live chat open kro sir kch ques puch nii paa rhe h🙏🙏🙏

[@AmazingFacts-pe2gn]

Mai to bahut khush hua sir meko samajh hi nhi aaa rhi thi bt ab to kaisa v aayega bna dunga

[@anokha593]

unacademy really do a graet work for this socity....

[@continnum_radhe-radhe]

Multinomial 52:07

[@kishangopal1424]

Sir lecture was awesome

[@homendrajungari9029]

You are the best teacher in world for maths

[@syedmdabid7191]

Find the 50 term in the expansion of ( 2x+3y+4z--5u) ^35 ? How would you do it?

[@syedmdabid7191]

sorry! 50th term. O. K.

[@divyansh_kala]

Homework Question Answer: At r1, r2, r3 = 4,2,1 or 3,4,0 or 5,0,2 coefficient of x⁴ = 7!/(4! 2!)*(-2) + 7!/(3! 4!)*(-2)⁰ + 7!/(5! 2!)*(-2)² = -210 + 35 + 84 = -91

[@saumyaagarwal829]

why do we add the coefficients?? pls tell

[@Arpit.singh.]

Best teacher ever

[@mathslover3890]

At 37:50 ,sir if 1/2 chota h to 3*1/2 or chota kse🤔

[@VivekYadav-ds8oz]

We're not talking about the miniscule nature of powers, rather the value of 'x'. And that too ridiculously small values of x, like 0.00035 or something like that. The smaller the value, more accurate the approximation is.

[@ahuman4]

@@VivekYadav-ds8oz kuch bhi

[@mohnishchowdhary8289]

sir its a great video it helped me a lot , thank you very much sir

[@rahullamba1914]

Ans of homework question is -210

[@thesiddiqueumar]

Yes mera v yahi aaya hai pata nahi q yahan par sabka ans -91 aarha hai

[@s.r.jaykikani9176]

210

[@s.r.jaykikani9176]

@@thesiddiqueumar answer Speed me nikalne gaye honge

[@thesiddiqueumar]

@@s.r.jaykikani9176 tumhara answer bhi galat h correct answer-91 h Wo isliye qki hum ne 0! Ki value zero likh di thi isi wajah se mere kuch coefficient x ke zero ho gye the

[@saumyaagarwal829]

@@s.r.jaykikani9176 3 ans aayenge, -210, 35 aur 84

[@b.ramachandrabhat3603]

Sir hw question's answer is -91

[@saumyaagarwal829]

why do we add the coefficients?? pls tell

[@AlokSingh-jd4iv]

Thank u sir ❤️❤️🙏

[@TechyGuyHelp]

59:43 wow sir you are really cool

[@somitmishra4705]

Hw answer -91

[@dti6866]

Very great sir

[@SahilSharma-yf6gs]

Sir binomial k ye wale lecture apne jeelivedaily k link pr add nhi kiye hain

[@jiteshyadav5293]

You are GREAT sir 🙏🙏🙏🙏🙏

[@parvjain5701]

-91 is correct answer

[@39_KaavyaJoshi_IXB]

finally sir aapse samjh aaya ki kya hai multinomial theorem aur kyu hai🙃🙃🙂🙂

[@aradhanasrivastava9564]

Sir please take lecture on remainder theorem!!!

[@souranbose1980]

sir kya mein 1:03:01 wala example mein( 2x -3y ) ko ek term aur 4z ko ek aur seperate term ki tarah treat karke binomial expansion ka general term laga sakta hoon?

[@fahadsaifi3362]

Unacademy is best!!!

[@BLG120]

-91 hw

[@samcurious]

Eske questions aate hai kaya sir

[@abhinandanjain2399]

Thank you so much sir ji.

[@thesiddiqueumar]

Lecture Started at 5:08 Home work is given at 1:11:18 Lecture end at 1:11:54 Thanks me later....

[@swastikbanerjee3093]

Bhai ahsha kam karte raho👍👍

[@TECHNICALVEDANTB]

Multinomial the at 52:00

[@mayakumari5255]

Thank you sir

[@anasmateen8130]

HOMEWORK SAWAAL KA UTTAR -91 HAI.......GAJAB LECTURE THA SIR

[@aryankundu4954]

44:38

[@amitsinghal1573]

for 2021 attempt ke liye apke konse lecture dekhne chaiye ... 2.0 vale y without 2.0 vale ..???

[@ashchoudhary18]

I guess you should watch 2.0 as jee will definately get postponed to mid feb......

[@jigyashadewangan4906]

Sir LIVE CHAT SHOULD BE THERE TO INTERACT WITH YOU

[@sarathkumar1528]

Aadhe Log Matrimonial Kaam krne lg jaate hai toh padhane ka mann hat jata hai...

[@VladmirPutin232]

@@sarathkumar1528 😂😂sahi kahe yaar

[@ahuman4]

@@sarathkumar1528 dang

[@kumudkothari9269]

Yes the ans is -(13x7) am i right?

[@shibhanshubajpai7273]

answer of homework question is -91

[@saumyaagarwal829]

why do we add the coefficients?? pls tell

[@electrobuzzers6685]

Answer to the homework question:- 210 or 84

[@singhrudra47]

@Electro Buzzers you have got wrong answer , right answer is -91 by taking (r1, r2, r3) as (5, 0, 2) , (4, 2, 1) and (3, 4, 0) and adding all coefficients

[@saumyaagarwal829]

@@singhrudra47 why do we add the coefficients?? pls tell

[@singhrudra47]

@@saumyaagarwal829 because they are present in multiple combination

[@AkashAkash-li2nj]

Ans to hw.qsn is -91😊😊

[@cricketfantasy5469]

Sit ,You are best

[@sujalkumarjain9617]

Sir, is 35 correct ans

[@darkking8454]

-91 = coefficient of x^4

[@SaiSai-lz3tk]

How

[@s.r.jaykikani9176]

Last qustion answer is *210*

[@sheendmac5743]

Thanks

[@vedantmadhwe1049]

Coefficient is 84 or 35

[@_abc.]

@Sameer 14:00 "kyu na main ye likh du" "ho sakta hai".....that is a nice way of mathematical thinking but whether outcome is always valid? Without a rigurous proof it is no good.

[@sarathkumar1528]

It is Always true. because we are changing convention only like changing names... ncr - In n&r cant be negative and fraction this is derived from p&c . So opeining ncr by n!/r!(n-r)! u can put any value

[@_abc.]

@@sarathkumar1528 yes it is true always....but proof? Like binomial theorem has proof via mathematical induction.

[@_abc.]

@@sarathkumar1528 you must be aware that (1-x)^-1 expansions is valid for |x |

[@ranapratapsingh9570]

@@_abc. What will be the expansion of (1-x)^-1...if |x| greater than 1??

[@_abc.]

@@ranapratapsingh9570 when |x|>=1, then infinite term sum 1+x+x^2+..... does not converge to a single number check with x=+-1 like we have for |x|1. Infinite term sum has valid expression only for those x for which it converges to a number.

[@ajaygiri426]

you are best of best greatest

[@shubhlaxmi73]

17:30

[@samriddhivarshney6547]

amazing sir!!!

[@ayushpandey7940]

Good morning sir

[@abhishekanand5828]

AnSwEr of H.W question The value of r1 , r2 and r3 Satisfied 1).5,0,2 2).4,3,0 3).4,2,1

[@AiZeN2003]

4,3,0 nahi 3,4,0 of r1,r2 and r3 respectively

[@thesiddiqueumar]

Correct!!

[@vikramkumarsoni5283]

It starts at 5:45 sec

[@danielkshitijkumar2992]

5:08

[@AmarKumar-iu9vv]

SIR LECTURE 4 KA HW QUES DISCUSS NHI HUA HAI

[@Rohit_03]

A option very easy

[@Rohit_03]

Mere khayal se dpp mein hoga

[@RiteshKumar-xb9lk]

Sir your screen brightness is too much please reduce the brightness and increase some contrast

[@jee2524]

0:17 teachers are weird creatures who say a 1 hr 20 min lecture as a lecture of two 'small' topics

[@modassirwarsi3741]

Homework question Ka answer _91 hoga

[@saumyaagarwal829]

why do we add the coefficients?? pls tell

[@modassirwarsi3741]

@@saumyaagarwal829 Mojammil solve Kar dia n

[@nishamahajan7480]

The only person of unacademy who believes in teaching not in advertising 🙏

[@karanarya6701]

-91 is the ans of hw question

[@saumyaagarwal829]

why do we add the coefficients?? pls tell

[@anasmateen8130]

AAP BAHUT MAST PADHATE HO SIR

[@AiZeN2003]

sir plz live chat ka use kijiya

[@sonukumarcivil-2382]

Coffee scent of x power 4 is - 91

[@velocity_0036]

Multinomial is easy if someone teach you like him 🙏🙏🙏

[@avinashsinghkohli4362]

Thank you

[@tannu1084]

Sir you are God for me

[@shazi11]

Lgta hai jo kachra chats pr hota h usko dekh kr unacadmy team ne chats disable kr liya ...😁😁

[@nazia548]

... 👍 👍

[@salonisingh9223]

You are absolutely right 👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍

[@nazia548]

matrimony..😁

[@ahuman4]

@@AnanyasinghIit2021 shaadi

[@VinodKumar-fy1so]

And is _91

[@_RahulDewangan]

I am a jee 2021 asspurant should i watch this lecture as i think this is not so important for syllabus and i don't have so much time?

[@saumyaagarwal829]

this is used in many other topics also, so u should watch it. to save time, u may watch it at 1.5x speed.

[@ahuman4]

Asspurant🤣🤣🤣👍🤣👍🤣👍🤣🎶🤣👍🤣