જો $\int e^x(\sin^2 2x - 8 \cos 4x) dx = e^x f(x) + c$ હોય,તો $f(\frac{\pi}{4}) = $

  • A
    $0$
  • B
    $1$
  • C
    $-1$
  • D
    $e$

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$\int_{\pi/4}^{\pi/2} e^x (\log \sin x + \cot x) \, dx = $

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$\int \frac{e^{\tan ^{-1} x}}{1+x^2}\left[\left(\sec ^{-1} \sqrt{1+x^2}\right)^2+\cos ^{-1}\left(\frac{1-x^2}{1+x^2}\right)\right] d x$,જ્યાં $x>0$ છે,તે

$\int {{e^{2x}}\frac{{1 + \sin 2x}}{{1 + \cos 2x}}} \,dx = $

જો $\int \frac{3-x^2}{1-2 x+x^2} e^x d x=e^x f(x)+c$ હોય,તો $f(x)$ શોધો.

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