જો $\int \frac{\cos x+x}{1+\sin x} d x=f(x)+\int \frac{3 \cos \frac{x}{2}-\sin \frac{x}{2}}{\cos \frac{x}{2}+\sin \frac{x}{2}} d x+c_r$ હોય, તો $f(x)=$

  • A
    $\frac{-2 x}{1+\tan \frac{x}{2}}$
  • B
    $\frac{-x \cos \frac{x}{2}}{\cos \frac{x}{2}+\sin \frac{x}{2}}$
  • C
    $\frac{2 x}{1+\tan \frac{x}{2}}$
  • D
    $\frac{x \cos \frac{x}{2}}{\cos \frac{x}{2}+\sin \frac{x}{2}}$

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$y=\int \cos \left\{2 \tan ^{-1} \sqrt{\frac{1-x}{1+x}}\right\} d x$ એ કોનું સમીકરણ છે?

સંકલન $\int \frac{\sin \theta \cdot \sin 2 \theta \left(\sin ^{6} \theta+\sin ^{4} \theta+\sin ^{2} \theta\right) \sqrt{2 \sin ^{4} \theta+3 \sin ^{2} \theta+6}}{1-\cos 2 \theta} d \theta$ નું મૂલ્ય શોધો (જ્યાં $c$ એ સંકલનનો અચળાંક છે).

$\int (\sin^{-1} x + \cos^{-1} x) \, dx = $

$\int(\sqrt{1+\sin (2 x)}) d x=$

જો $f(x) = \int x^2 \cos^2 x (2x \tan^2 x - 2x - 6 \tan x) dx$ અને $f(0) = \pi$ હોય,તો $f(x) =$

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