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High School/JEE/NEET/IPhO Physics | 17-19 Yrs

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how diffrentiaion of root under cos x is -sinx/2*root under cosx ......the correct answer will be 1/2root under cos x

3 years ago by

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Sir, at 7:29 , it should be dy/dt instead of dy/dx? Thank you, sir

3 years ago by Achyuthan Karthikeyan

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Sir how to solve (cos ^4x +sin ^3x) ^3/2....[^ here is power]

4 years ago by Priyanka Priyadarshini Behera

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this concept is crystal clear that now i can solve in my mind... thanks !

5 years ago by Yogesh Vashisth

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It looks similar to the product rule, than can't we apply it here??

6 years ago by Nevil Tanna

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sir how does differentiation of root of cosx become -sin x?

6 years ago by Bhakti S

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Sir,pls tell me how does dt/dx of cosx^1/2= -sinx. It's differentiation should be -sinx^1/2

6 years ago by Tuba Tarique

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Sir can we apply the product rule for differentiation after applying the chain rule for differentiation because we get a value in product form after applying chain rule for differentiation?

9 years ago by Yash Selot

Ans 1 ->

Whenever you differentiate anything which has product of two functions...we use product rule whether it is directly differentiated or it comes under chain rule but if there is a function in function then we use chain rule only... If there are two functions in product form in which one is of type fif then we use product rule first and for fif differentiation we use chain rule..

9 years ago by Physics Galaxy

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Video Lectures

High School/JEE/NEET/IPhO Physics | 17-19 Yrs

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