Irrational Numbers | Prove That Root 3 is Irrational Number | Irrational Numbers For Class 7/8/9/10

Must Download InstaSolv:- bit.ly/2StP5kx
Hey!
In this video, we covered the most important part which can help you to gain marks in the exam. Yes, we are talking about Irrational numbers. Students face difficulty in proving that root 3 is an irrational number and most of the time due to uncleared concepts they solved it wrong. This video is incredibly good for you and after watching that you will be an expert in such questions.
Must Download InstaSolv:- bit.ly/2StP5kx
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Here are the Key Moments of the video 👇
00:00 Intro of the Video
00:40 Rational Numbers
02:21 Irrational Numbers
04:10 Download InstaSolv
05:02 Prove that Root 5 is Irrational
12:56 Prove that Irrational Questions
16:10 Outro
----Thank You for Watching----
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Let us assume that √3 is a rational no. Now, Let √3=a/b where a and b are co-prime and b is not equals to 0 Squaring both sides (√3)²=(a/b)² 3 =a²/b² 3b²=a² b²=a²/3 a² is divisible by 3 a is also divisible by 3 Let, a=3m for some integer m. √3=3m/b Squaring both sides (√3)²=(3m/b)² 3=9m²/b² 3b²=9m² b²=9m²/3 b²=3m² b²\3=m² b² is divisible by 3 b is also divisible by 3 So, Our assumption that a and b are co prime is wrong. So, √3 is a irrational no. Are bhaisahab PTA ni KB likha tha maine ye shayad 9th m hunga TB filhaal to 12 th m aagya 😅😅

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Assume that √5 is a rational number So,it can be written as √5=p/q were q ≠0 And p and w are co prime Squaring both side•• (√5)²=(p/q)² 5=p²/q² Next,q²5=p² q²=p²/5 P² is divisible by 5 So,P IS ALSO DIVISIBLE BY 5 Let P = 5m for some integers Put the value•• √5=5m/q Squaring both side (√5)²=(5m/q)² Root cancellation 5=5m²/q² 5=25m²/q² q²5=25m² q²=5m q²/5=m² SO q² IS DIVISIBLE BY Hence q is also divisible by five,it proves our assumption wrong So √5 is irrational

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@MalikOooo now see this method taught in my school- Q.prove that 6+√2 is irrational Solve- let 6+√2 is a rational number.so,it can be expressed in the form of a/b.where a and b are positive co-prime integers and b≠0 6+√2 = a/b √2 =a/b -6 √2 = a- 6b/b so,√2 is a rational number But this contradicts the fact that √2 is an irrational number So,our assumption is wrong Therefore,6+√2 is an irrational number

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Sir jb ap pdhate he apki video dekhte hai tb to bohot achche se smjh aata he lekin jb hm khud se solve krte he tb to hota hi nhi hai questions ❓🤔

[@StudyNumber1]

इतनी उंचाई न देना प्रभु की धरती पराई लगने लगे, इतनी खुशिया न देना की किसीके दुःख पे हंसी आने लगे, नहीं चाहिए ऐसी शक्ति जिसका निर्बल पर प्रयोग करू, नहीं चाहिए ऐसा भाव की किसीको देख जल-जल मरू, एसा ज्ञान मुझे न देना अभिमान जिसका होने लगे, एसी चतुराई भी न देना की लोगो को छलने लगे !!

[@marshalintarprises3383]

🤣 🤣 🤣

[@pawanyadav5168]

I love you. Jaan

[@immortalashishsingh5600]

Very nice line sister

[@owaisowais4659]

Give me your number plz

[@owaisowais4659]

I really like u

[@moonlight_11]

0:39 the style of catching marker is very creative and awesome 🤗🤫😹😹

[@AbhinavGamer-pu2yu]

No like ☑️fail confirm fear unlocked in exam☑️

[@user-dz4fw5yi1g]

Who is here after his maths 3.5 hour syllabus complete video 😂☝

[@TheMajestic1414]

Me

[@AdityaYadav-rl9ij]

😂

[@anshika2858]

Gajab he talent hai bhai 2022-23 ke batch walo mein... Kon kon hai jo exam ke ek din pehle padhne aaye hai? 😂😂

[@sadstory384]

Hum 😂

[@sorrybrogaming8408]

Hum 🤣

[@modijangir1982]

Me😂😂😂

[@tammanhasadahasada8751]

Me 😅😂

[@munnamd408]

Kal hai exam 😢

[@PRINSE27]

I always say that #DearSir KZbin channel is a school for me and you're my Favorite teacher....👍👍👍👍👍

[@DearSir]

*Is video ko abhi ke abhi share karo* *Nayi videos k liye channel Ko Subscribe karain. Bell icon bhi press karain. Link neeche diya gaya hai* Link: kzbin.info/door/9dyrsYEmD4iGJ8Oz1G5dpw *_Team Dear Sir_*

[@PRINSE27]

@@DearSir I have already shared this video

[@anshikadubey925]

@@PRINSE27 good

[@Priya67909]

@@DearSir Sir plz check my answer above that I am correct or wrong.

[@ChandanKumar-um6nm]

@@DearSir sir aap bhi bolte hai subscribe karne ke lia ! i am finding a best teacher who never says to subscribe .

[@Sania00]

All the best for your exams 🙂☺️

[@KITAGAWA_AYANOKOJI]

Hey

[@unknownyt2002]

Best of luck for exam 😁😁

[@Tanjiro88]

CONCEPT IS POWER..

[@harguncheema4339]

2023 bach here🙆🏻‍♂️😂 kall exam ha 21 ko ajj padh raha hu 😂

[@Always_Carrom]

mai 😂✌🏻

[@Shubh_Soni_]

😂

[@shivanshclasses1849]

Wah bahut badhiya

[@user-el9we5qw8d]

Today my exam also 🎉😂

[@hetkumar-yo4zo]

Best of luck 🤞 for tomorrow ♥️

[@srishtigktrick5545]

तारों में अकेला चाँद जगमगाता है मुश्किलों में अकेला इंसान डगमगाता है काटों से घबराना मत मेरे दोस्त क्योंकि काटों में ही अकेला गुलाब मुस्कुराता है!!

[@aa6618]

Nice

[@chetangupta1754]

Gjb😊😊

[@Sainihanshika]

Wonderful

[@piyushjhala181]

21st ko exame ha All the best to all 😈

[@meet_chawla]

U too

[@piyushjhala181]

@@meet_chawla thanks

[@dineshpant2123]

बाते की शकल सर❤❤❤

[@suryakamalnd9888]

To the fellow students, for the 3 + 2root 5 question, if it comes for more marks, first prove that root 5 is irrational, then prove that 3 + 2 root 5 is irrational by this method..

[@shreenivasnilapwar5735]

thanks

[@sushilbajpai7377]

Thanks

[@jojoZ369]

but my teacher said first prove root 3 then 2 root 5

[@thefiercegaming8760]

Thanks 😊

[@suryakamalnd9888]

@@shreenivasnilapwar5735 welcome 😀

[@grbhatt4784]

DearSir🙏 Me class x cbse Sir english ka exam 26 feb 2020 aur math ka 12 march ko ha please sir in dono subject ka pura(separate) video banao please sir👍👌😊☺️😊😢😢😊👍👍👌👍

[@rajputanariflesgaming4000]

Concept is power but talent 💪 is energy 👌:)

[@rakhiborse8463]

But hardwork beats talent 🔥

[@chandanientertainment681]

Guu khaiyo shamdo

[@dhruvamathpati]

@@chandanientertainment681 TUNE KHAAYA KYA

[@anjitaverma1062]

Wat hing this vdo at 7:36 am when my exam is at 10 30 😂

[@sudhanshunishad9905]

ME AT 7;54

[@akshataman-ul5bp]

Tomorrow my exam I'm not study 1 year But I today complete all exercise rs Agarwal and ncert total completed 😉 I'm wishing god everstudent get 90% +

[@frostwolf8504]

How???

[@Solo_core]

Bro how ?

[@akshataman-ul5bp]

My speed ..... 2/30 hour 60 to 75 question

[@akshataman-ul5bp]

Ok bhai log

[@akshataman-ul5bp]

Any dough

[@xsaharsh11]

Legends are watching after passing 8th class for their 9th 🧐🧐🧐

[@AsgarKhan-cq9wd]

Ultra. Legend watch this video after passing 9th

[@gopalmishra1403]

True.

[@troll_memes_]

But i am after passing 9 4moth ago

[@troll_memes_]

😂😂

[@Mechgamer875]

I am seeing this for my boards

[@anshikamaurya2719]

Best teacher of math in the world 😊😊... Who agreed??

[@krishpundir6973]

Ok

[@dikshantpal2816]

Me

[@parminderrajput7668]

I agreed boiiiii

[@legendgamer4395]

Yup

[@KrishneshKhairnar]

Yeah me also

[@user-gw7nz3pt5l]

Parso exam h aur mai aaaj ye video dekh raha hu😂😂😂😂

[@divyanshshukla795]

😂​@motivdesshka

[@Tanishq0666]

Abe bhadu exam kal hai

[@Krishna08_007]

Sir home work Q- proof √3 irrational ? Ans-Let assume that √3 is rational and co-prime we can write√3 as p/q form were q is not equal to 0 √3=a/b Squaring both side (√3)²=a²/b² 3=a²/b² 3b²=a² b²=a²/3 3 is divisible by a² 3 is also divisible by a Let a = 3k √3 = 3k/b Now,squaring both side (√3)² = (3k)²/b² 3 = 9k²/b² 3b²=9k² b²=9k²/3 b²=3k² b²/3=k² 3 is divisible by b² 3is also divisible by b The situation is contradiction Our assumption is wrong Hens,√3 is irrational number

[@counterz-5754]

√3 is an irrational no. Let us assume that √3 is an ration no. And let √3=a/b where A and B are coprime no. And b is not =0 √3= a/b Squaring both sides (√3)²= (a/b)² =b²3=a²/3 a² is divisible by 3 a is divisible by 3 Now let us assume that a/b where a=3m √3=3m/b Squaring both sides (√3)²=(3m/b)² 3=9m/b b²=3m² Sir what about after this I don't know what to do after this.

[@lilkshmr]

After this b2=3m2 3m=b2/3 So b2 is divisible by 3 Then b is also divisible by 3 So these are not coprime no. So our assumption was wrong. So ✓3 is irrational no.

[@gurjeetkaur5447]

Bhai m toh 11hrs phele dekha h

[@StreamerBOYHC100]

Pura answer hi likh dala

[@anilojha5280]

H

[@karthesannadar584]

Show that √5 is irrational. Proof. Let us assume √5 is a rational number. Then as per the definition of rational number √5 can be written in the form of p/q such that p and q are prime numbers and q is greater than 1. Therefore √5 =p/q. On squaring both the sides we get, 5 = p2/q2 ie .5xq = p2/q LHS : 5xq is an integer RHS :p2/q is a rational. LHS =/ RHS This is a contradiction to our assumption. Hence our assumption of √5 a rational number is false. Therefore √5 is irrational.

[@forever785]

I understand very easily . Thank you sir

[@suraj__07x]

real legend watching this video for compartment exam. 🗿

[@shivarawat5866]

Kon kon maths ke tyaari paper ke ek din pahle kar raha hai

[@anshaharma2383]

(Concept is power)💛love this line.......❤

[@PathFindersAcademy]

kzbin.info/www/bejne/mqinkpd9ft-Verc

[@witchhunterr14]

Power is everything

[@AyushJha-tt6bm]

😮

[@vanshpandya06]

Batch 2022-23 are present😂

[@satveergujar9205]

Yes

[@ahadbashir122]

10 hours before boards exam 22-23

[@priyanshusethi4506]

Me too brother

[@pritismakeover1951]

Legends are watching on the day before 2 hours of examination 😅

[@Priyanka12.p]

Kya mtlab main legend hu... mere pa to 2 hours bhi nahi hai 8:15 school pachna hai puja vagra hoke le LE haio

[@free_wallah]

​@@Priyanka12.p are bhai me bhi 5 no pakke karne aaya hu 😂😂

[@VivekYadav-ex5me]

😂

[@trout774]

Sir Superb...!! What A videos!!!!!! Awesome.! Best Teacher in the whole world !!!!! ✌✌ Heroooo!! ✌✌✌We always love you Sir!! ✌✌✌

[@DearSir]

*Is video ko abhi ke abhi share karo* *Nayi videos k liye channel Ko Subscribe karain. Bell icon bhi press karain. Link neeche diya gaya hai* Link: kzbin.info/door/9dyrsYEmD4iGJ8Oz1G5dpw *_Team Dear Sir_*

[@shivamsrj999]

Dear sir

[@bhupeshsinghrajput]

@@DearSir ok sir

[@samarthsatapute8208]

@@DearSir nahi

[@fambruhgaming7488]

@@bhupeshsinghrajput sb padho rhe ho 🤣🤣

[@Tiaragirlll]

Sir isme ek baat galat h pahle 2 page bhardo fir last me Apne AAP Ko dosi thahrao ki humne galat thinking ki 😅😅😅 full marks milenge 😅😅😅😂

[@45s-shubhamkumarmishra11]

Dear sir ki galti..ration ko v irrational prove kr doge kzbin.info/www/bejne/gonGZH2rbsagopo

[@anshusharma912]

Had H yaar

[@npashur8251]

@@anshusharma912 nh 😊😋😍

[@dragongamingpubg786lite7]

Yes you are right had ho gyi yaar

[@45s-shubhamkumarmishra11]

@@Mandeep_74 10th standard me ho... Or tamiz ab tk nhi sikhe...... Galat to galt hi hota hai....jaao ja kr search kro achhe se....

[@nandugamer143]

Sir ek question √3+2 is a irrational number

[@sigmaruler6950]

Mai isse 8:01 pm pe dekh raha hm wo bhi 21 march ko math ke exam se pahle 2023

[@sayyedmuheeb2]

8:23

[@jokffshorts3784]

Me also at 8:29

[@Jai_shree_ram701]

20 March ko dekh rhe ho