One Shot Ex 4.2 Class12 | Determinants | Class 12 One Shot Ex 4.2 Math | Ex 4.2 Class 12 in One Shot

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Class-12 Ex-4.2 Q-1 (Determinants) NCERT Math
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Class-12 Ex 4.2 Q-1 (Determinants) NCERT Math

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[mayankbhatiya]

At 24:54
Direct 1 or 2 ko add kr ke solve nhi krte sakte..
Matlab eq. 4 ko eq. 2 bna lo or fhir 1 or 2 ko add krlo.. esa nhi kr sakte h kya? Sir reply plss..

[sanjayjawala]

Sir your teaching method is different and easy from others this helps me a lot, thankyou so much sir ✍️😀

[aryantkr]

Teacher - : How to prove L.H.S =R.H.S
Le me -: multiply both sides by 0
Hence proved.😎

[nancysahota]

Thank you sir ji for this wonderful lecture 👍

[Xyz-ugjt]

3:20 Sir is it necessary to mention property and operation? Or we can write answers directly?

[SwatiBharti-bsqn]

I have a doubt sir, 23:40 sir jb Aapne minus SE determinant me multiply krwaya to sari rows and column me krwaya but sir property no. 4 ke according Kisi ek row or column me multiply hota h

[lnpurushottam_kumar]

Congratulations sir aapke 10 lakh subscriber pure hone wale hai 🙏🙏

[MRHAPPY-lqly]

Sir at 43:22 - I tried to expand it by column but i didn't get the answer perfectly.
In the end I got this answer :
(x - y) (y - z) [xy² + yz² + x²y + xy² - zx² + yz²]
Please help me sir... 🙏🏻

[anjumhussian]

Sir your teaching method is very easy and your videos are helpful for us thank you sir

[bhagyalaxminaik]

Thank you so much sir 🙏🏻 your detail explanation is so helpful for us, you deserve best teaching award 👏 ❤️

[saifmalooq]

Sir your way of teaching is so wonderful 😍😍😍😍😍😍

[atulgangwar]

Thank you so much sir.... U helped me in very typical question.... U make it easy... It's useful to me ...

[lakshyaarya]

in q 6, can't we just change the places of rows and columns and just add it to the qiven equation

[naturalplants]

Thanks sir your teaching methods is a very good and nice thanks a lot of your help

[bharatkhalas]

Sir seriously i am in gujarati medium but i understand each and every sum that you explain, your teaching style is very good . and your all videos are very helpful for us. ☺🙏🙏

[AmitSharma-mflq]

A great thanks for u sir for this lecture

[mafiagamer]

Sir at q 13 we have to find minus of(1+A2+b2)3 and you find just (1+A2+b2)3

[anusnehi]

Online classes se bhi better aap padhate hai you are the best teacher for maths 🙏 🙏🙏🤍🤍🤍🤍❤❤❤❤❤🧡🧡💛💛

[arsheeninamdar]

U..r mindblowing..🥰
A god gifted men...👏

[scabbard]

23:28 Sir iss question me apne (-) common lekar vapas multiple kar diya and aage vapas apne vahi karke equation 3 and 4 likh diya i totally confused??