$\int_{-1 / \sqrt{2}}^{1 / \sqrt{2}}\left(\left(\frac{x+1}{x-1}\right)^{2}+\left(\frac{x-1}{x+1}\right)^{2}-2\right)^{1 / 2} d x$ का मान ज्ञात कीजिए।

  • A
    $\log _{e} 4$
  • B
    $\log _{e} 16$
  • C
    $2 \log _{e} 16$
  • D
    $4 \log _{e}(3+2 \sqrt{2})$

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$\int_{-4}^5 \frac{1}{\sqrt{20+x-x^2}} dx=$

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$\int_{\frac{\pi}{4}}^{\frac{\pi}{4}} \log_e(\sin x + \cos x) \, dx$ का मान ज्ञात कीजिए।

$12 \int \limits_0^3 \left| x^2 - 3x + 2 \right| dx$ का मान $.............$ है।

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