यदि $[x]$ महत्तम पूर्णांक $\leq x$ है,तो समाकलन $\int_{-0.9}^{0.9} \left( [x^2] + \log \left( \frac{2-x}{2+x} \right) \right) dx$ का मान ज्ञात कीजिए।

  • A
    $0.486$
  • B
    $0.243$
  • C
    $1.8$
  • D
    $0$

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$\int_0^{\pi /2} \frac{\cos x}{1 + \cos x + \sin x} \,dx = $

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यदि $\int_{-\frac{\pi}{2}}^{\frac{\pi}{2}} \frac{96 x^2 \cos^2 x}{1+e^x} dx = \pi(\alpha \pi^2 + \beta)$,जहाँ $\alpha, \beta \in \mathbb{Z}$,तो $(\alpha + \beta)^2$ का मान ज्ञात कीजिए:

$\int_{0}^{\pi / 2} \frac{\sin x-\cos x}{1-\sin x \cdot \cos x} d x$ का मान ज्ञात कीजिए।

समाकलन $\int_{-\pi / 2}^{\pi / 2} \frac{\sin^2 x}{1+e^x} \, dx$ का मान ज्ञात कीजिए।

$\int_{ - \pi }^{\pi } {\frac{{2x(1 + \sin x)}}{{1 + {{\cos }^2}x}}dx} $ का मान ज्ञात कीजिए।

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