निम्नलिखित समाकलन $\int_{\frac{\pi}{4}}^{\frac{\pi}{2}}(2 \operatorname{cosec} x)^{17} d x$ किसके बराबर है?

  • A
    $\int_0^{\log (1+\sqrt{2})} 2(e^u+e^{-u})^{16} du$
  • B
    $\int_0^{\log (1+\sqrt{2})}(e^u+e^{-u})^{17} du$
  • C
    $\int_0^{\log (1+\sqrt{2})}(e^u-e^{-u})^{17} du$
  • D
    $\int_0^{\log (1+\sqrt{2})} 2(e^u-e^{-u})^{16} du$

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निश्चित समाकलन $\int_{0}^{\frac{\pi}{2}} \sin 2x \tan^{-1}(\sin x) dx$ का मान ज्ञात कीजिए।

Difficult
View Solution

मान लीजिए कि $\int_\alpha^{\log _e 4} \frac{dx}{\sqrt{e^{x}-1}}=\frac{\pi}{6}$. तो $e^\alpha$ और $e^{-\alpha}$ किस समीकरण के मूल हैं:

$\int_{\log _e 2}^x \frac{d t}{\sqrt{e^t-1}}=\frac{\pi}{6} \Rightarrow x=$

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