જો $\int(1+x) \log \left(1+x^2\right) d x=\left(x+\frac{x^2}{2}+\frac{1}{2}\right) \log \left(1+x^2\right)+g(x)+C$ હોય,તો $g(x)=$

  • A
    $-2 x-\frac{x^2}{2}+2 \tan ^{-1} x$
  • B
    $2 \tan ^{-1} x+\frac{x^2}{2}+\frac{x^3}{3}$
  • C
    $2 \tan ^{-1} x-\frac{x^2}{2}+3 x$
  • D
    $2 \tan ^{-1} x+3 x+\frac{x^3}{2}$

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જો $\int \sec ^2 x \operatorname{cosec}^4 x \, dx = -\frac{1}{3} \cot ^3 x + k \tan x - 2 \cot x + C$ હોય,તો $k$ ની કિંમત શોધો.

$\int \sin ^4 x \cos ^4 x \, dx =$

જો $\int \frac{\sin ^8 x-\cos ^8 x}{1-2 \sin ^2 x \cos ^2 x} d x=A \sin 2 x+B$ હોય,તો $A$ ની કિંમત શોધો.

જો $\frac{5 \pi}{4} < x < \frac{7 \pi}{4}$ હોય,તો $\int \sqrt{\frac{1-\sin 2 x}{1+\sin 2 x}} d x=$

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