Solve this following


Mark $(\sqrt{)}$ against the correct answer in each of the following:

$\int \frac{d x}{\left(\sin ^{4} x+\cos ^{4} x\right)}=?$

A. $\frac{1}{\sqrt{2}} \tan ^{-1}\left(\frac{\tan ^{2} x-1}{\sqrt{2} \tan x}\right)+C$

B. $\frac{1}{\sqrt{2}} \tan ^{-1}\left(\frac{\tan ^{2} x-1}{\tan x}\right)+C$

C. $\frac{1}{\sqrt{2}} \tan ^{-1}\left(\frac{1}{\sqrt{2} \tan x}\right)+C$

D. None of these


Leave a comment


Click here to get exam-ready with eSaral

For making your preparation journey smoother of JEE, NEET and Class 8 to 10, grab our app now.

Download Now