Q 1 - Ex 8.4 - Algebraic Expressions and Identities - Ch 8 - Maths Class 8th, New Syllabus CBSE 2023

[@abhijeetjadhav7706]

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[@ambika5923]

@@nikitasaha8977 No thanks❌✖ 🤗

[@rahisashaikh627]

Mam i think in 6 one ( last ) -8b raised to the power 4 should come as b square × b square = b raise to the power 4

[@uniqueone6373]

Correct

[@ishitasahu2884]

Hn right mene bhi notice kiya

[@nirupamkeshav5875]

Yes , I was going to mention it now but after seeing your comment just added on to it

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Mene bhi kiya🤔

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[@ffmpromax9343]

Hmm 😼

[@manyasharma0701]

Part(vi) Ans:- 3a(raised to power 4)+10a(square)b(square)-8b(raised to power 4)

[@manyasharma0701]

Mistake is just that Mam has written -8b(square) But it should be -8b(raised to power 4)

[@DineshKumar-et5yd]

Yes , it actually made me confuse THANK YOU 😊

[@HarshVerma-fh2lu]

I know...😅😄

[@HarshVerma-fh2lu]

Kabhi kabhi mistake ho jati h

[@sriyasamrudhisahu589]

Yes it should be -8b⁴ by mistake she has written -8b²

[@vedavathim.s.5669]

The answer of the last question is 3a⁴ + 10a²b² - 8b⁴

[@snsritisharma973]

Why??

[@nirmalayadav5605]

Ys

[@deepikaginotra9631]

Right!

[@sarang6714]

@@snsritisharma973 because even if we do eliminate the ‘3s’, the b^2 still exists, and it would be multiplied with 8b^2 and will result in 8b^4

[@snsritisharma973]

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Doubts was to be spelt as d o u b t s. I didn't want to tease u just to correct ur spelling

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Hmm

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Yes I am also started studing at 1:00 pm

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[@mithileshkumarbhagat7113]

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[@nikitasaha8977]

Students who want online Maths tutions for class 9 at Rs. 800 per month can Whatsapp on 8252503644. Watch the below demo class kzbin.info/www/bejne/omWzepaNZd9nfrs All doubts will be cleared.😊

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[@DailyVibe_.]

Mam the last part ans will be 3a⁴+10a²b²-8b⁴ ...☺️

[@rosefromBP]

Right

[@leonas1up299]

Hmm

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Yes

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[@Greenlife1075]

Mam in last (vi.) [¾ a² + 3 b²] and [a²-⅔ b²] The answer would be 3 a⁴ + 10 a²b² - 8 b⁴ But in your answer b is b². In this mam 3b² × 8/3 b² 3 × 8/3 = 8 and b² × b² will be b⁴ .

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[@nikitasaha8977]

Students who want online Maths tutions for class 9 at Rs. 800 per month can Whatsapp on 8252503644. Watch the below demo class kzbin.info/www/bejne/omWzepaNZd9nfrs All doubts will be cleared.😊

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[@skywardclef4718]

in the last question its 8 to the power 4 not 2 plz every one be careful

[@dehuihuihui]

8b to the power of 4 right?

[@nikitamallgurjar5588]

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[@black8573]

Thank u , I was confused

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[@Vksmartvihaan]

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[@Urr.BABYbishh]

14:21 mam b^2 × b^2 bhi to hoga which is equal to b^4 ....

[@vinitapanwar8395]

Same doubt mam

[@Urr.BABYbishh]

@@vinitapanwar8395 don't be confused dear...mam did it by mistake....check the answer in your book...it's b^4 .....😊

[@vinitapanwar8395]

Thanks

[@nikitasaha8977]

Students who want online Maths tutions for class 9 at Rs. 800 per month can Whatsapp on 8252503644. Watch this demo class. kzbin.info/www/bejne/omWzepaNZd9nfrs All doubts will be cleared.😊

[@anwarmalik5774]

Yes you are right She has done a mistake

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[@nikitasaha8977]

Students who want online Maths tutions for class 9 at Rs. 800 per month can Whatsapp on 8252503644. Watch this demo class. kzbin.info/www/bejne/omWzepaNZd9nfrs All doubts will be cleared.😊

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Good luck

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F fo the people who failed their maths exams

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Thank u mam because of you i got 10/10 in maths test algebraic expressions and identities. Thank u very much mam. You teach very well.

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[@Movie_scene169]

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[@k.qyiomilovelyy]

​@@Movie_scene169actually he/ she is correct she made a mistake in a²×a²

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[@exploringwithvivin9683]

1question 6th Roman real answer is 3a⁴+10a²b²-8b⁴ But mam wrote as3a⁴+10a²b²-8b²

[@ashokkumarkumar2799]

Yes u are right

[@username0432]

Yes it should be 4

[@CHAD_Thxkur]

Hmm

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Me

[@Asiyakhatoon63]

In exam morning

[@amrita12]

14:25 ma'am you have written 8b(square).... but it should be 8b (raised to the power of 4)

[@ishitasahu2884]

Right

[@Maria-dl1ho]

She is human she can make mistakes too if you know ans which is correct than write yourself

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Mujhe

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Hmm

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Her name is mansha not Nancy 😒

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Nice misconception 🤣🤣🤣🤣LOL

[@sabamoid1769]

sorry if i sound rude but... at 14:24 it isn't 8b square as u see 8b square is being multiplied to b square, so it has to be 8 b raise to the power 4. i checked the answer in my book it says : 3 a (raise to the power 4) + 10 a(square) b(square) - 8 b(raise to the power4)

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[@yashanshartbook8481]

Mam in first question at last here you fill the answer -15 but we multiply it by +5 to - 13.so maybe the answer is in +15.

[@rishirishi4692]

No

[@rishirishi4692]

-15 is correct

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[@sajankumar8552]

Mam in last question why b2 doenot multiply by b2 and get b4

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thank you so much ma'am for explaination ☺☺

[@babydragon113]

the final answer is 3a (raised to the power of 4 ) + 10a(square) b(square) - 8b (raised to the power of 4)

[@PoonamSharma-he4ft]

Yes

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OMG maths god

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Ya she made a mistake 😔

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are baap re ye kya ho gya 😱😱😱😱

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last question is hard but i clear my concept thanks

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Miss their is a mistake in last question b square into b square is b raise to power 4 but u have written b square

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Ha sahi bat hai

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Galat bat ha pagal👄👄

[@black_pic]

Jo wo itna sb pda rhi h to thoda mind distract ho jata h

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hehe .....or mera abhi h🤣🤣

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Mera bhi

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Mam last me 8b ki power 4 hogi

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Every student deserve maths teacher like her 😊 thanku mam for explaination....❤

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Thanks 😊😊☺️

[@Kajalsharma3012vlog]

In question number one, in the (vi) part, what you have done is that 3a⁴-2a²b²+8b² power is taken in your square but there will be 4 because when you did it there. 3b²×8/3b²will cancel out 3b² 3 to 3 and then b² ×8b² the squares come together i.e. they become power plus then it is 8b⁴

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Yes thankyou mam 👍😁😘

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POV : legend watching this before 1 day exam tomorrow is my final exam

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[@aakarshkushwaha9]

in the third last line ma'am there will be 8b⁴ because b²×b² =b⁴ hope you understood😊

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Yes

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Yes i Also noticed that in the video thankyou for my satisfaction ❤️

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Yes

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[@gurmindersinghrandhawa3995]

Mam good evening difference Coefficient or constant

[@monicaraghuwanshi5900]

Coefficient=A number used to multiply a variable. Example: 6z means 6 times z, and "z" is a variable, so 6 is a coefficient. Variables with no number have a coefficient of 1. Example: x is really 1x. Constant=In mathematics, a constant term is a term in an algebraic expression that has a value that is constant or cannot change, because it does not contain any variables.For example, in the quadratic polynomial. the 3 is a constant term.

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[@study_hours78]

You solved the in (iv)8 raise to be power 4

[@woolfy7787]

Which