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

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sir why did u integrate cos2x as sin2x/2 and not sin2x?

4 years ago by Aryan Khurana

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Sir what is the significance of ln u written again and again during your lectures

6 years ago by Ravikesharwani4078@gmail.com

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Sir if I take t=tanx dt=sec²xdx Therefore now reduces to sec4xtanxdx = (t t³)ft Integrating it becomes t²/2 t4/4 Which after calculating comes out as sec4x/4-1/4 C So why I am getting this extra term of -1/4

6 years ago by Tanmay Goyal

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Sor can the Integration of cos²x be written as cos³x/3

6 years ago by Tanmay Goyal

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Sir why the 'a' has to be cancelled out in the video?

9 years ago by Yash Selot

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When the function will be differentiated chain rule will be used so a will be in multilication. if a was not cancelled out integrant would be a(ax b)^n

7 years ago by Madhu Sharma

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sir how can we integrate xsinx^2 dx

9 years ago by Naman Yadav

Ans 1 ->

?[12x-12xcos(2x)]dx = ?12xdx-?12xcos(2x)dx

7 years ago by Madhu Sharma

Ans 2 ->

-2cosx

6 years ago by Subham Tiwari

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Video Lectures

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

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