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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$\int \left( \frac{2 - \sin 2x}{1 - \cos 2x} \right) e^x \, dx$ ની કિંમત શોધો.

$\int e^{-2x} \left( \frac{1 - \sin 2x}{1 + \cos 2x} \right) dx = $

$\int {\frac{{{e^x}(x - 1)}}{{{x^2}}}\;dx = } $

$\int e^{x} \left[ \frac{\sin x + \cos x}{\cos^2 x} \right] dx$ ની કિંમત શોધો.

જો $\int {{e^{{x^2}}}\left( {2 - \frac{1}{{{x^2}}}} \right)dx = {e^{{x^2}}}f(x) + C} $ અને $f\left( {\frac{1}{2}} \right) = 2$ હોય,તો $f(1)$ ની કિંમત શોધો (જ્યાં $C$ એ સ્વૈચ્છિક અચળાંક છે).

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