જો $\int \frac{dx}{x^2+2x+2}=f(x)+c$ હોય,તો $f(x)$ બરાબર શું થાય?

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

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શોધો: $\int \sin 2x \cos 3x \, dx$

જો $\int \frac{x^2+1}{x^4+1} dx = f(x) + c$ હોય,તો $f(x)$ બરાબર શું થાય?

$\int \tan ^{-1}\left(\sqrt{\frac{1-\sin x}{1+\sin x}}\right) d x=$

$\int \frac{e^x-1}{e^x+1} dx =$

$\int \frac{1}{e^x+1} dx = $ . . . . . . $+ C$.

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