यदि $f(x) = \frac{e^x}{1 + e^x}$,$I_1 = \int_{f(-a)}^{f(a)} x g\{x(1 - x)\} dx$,और $I_2 = \int_{f(-a)}^{f(a)} g\{x(1 - x)\} dx$ है,तो $\frac{I_2}{I_1}$ का मान ज्ञात कीजिए।

  • A
    $1$
  • B
    $-3$
  • C
    $-1$
  • D
    $2$

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$\int_0^{\pi / 2} \frac{d x}{1+\tan ^3 x}$ का मान ज्ञात कीजिए:

$\int_0^\pi \sin^2 x \cos^3 x \, dx = $ . . . . . . .

$\int\limits_{ - a}^a {f(x)\,dx} = $

निश्चित समाकलनों के गुणों का उपयोग करके,$\int_{0}^{\frac{\pi}{2}} \frac{\sqrt{\sin x}}{\sqrt{\sin x}+\sqrt{\cos x}} d x$ का मान ज्ञात कीजिए।

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