$\int_{-1}^1 \left(\sqrt{1+x+x^2} - \sqrt{1-x+x^2}\right) dx$ का मान है

  • A
    $-1$
  • B
    $0$
  • C
    $1$
  • D
    $2$

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$\int_{-\pi/2}^{\pi/2} \frac{\sin^2 x}{1 + 2^x} dx = \dots$

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यदि $\int_{0}^{\pi} \log (\sin x) dx = 8 k$ है,तो $\int_{0}^{\pi / 4} \log (1 + \tan x) dx =$

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

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$\int_{-1}^3 \left(\tan^{-1}\left(\frac{x}{x^2+1}\right) + \tan^{-1}\left(\frac{x^2+1}{x}\right)\right) dx =$

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