$\int \frac{e^x(1+x)}{\sin ^2(x \cdot e^x)} dx = $ . . . . . . $+ C$.

  • A
    $-\cot(x \cdot e^x)$
  • B
    $\tan(x \cdot e^x)$
  • C
    $-\tan(x \cdot e^x)$
  • D
    $\cot(x \cdot e^x)$

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$\int \frac{dx}{1+\sqrt{x}} = $

$\int \tan ^8 x \cdot \sec ^4 x \, dx = $ . . . . . . $+ C$.

$\int (\sqrt{\tan x} + \sqrt{\cot x}) \, dx$ का मान ज्ञात कीजिए।

यदि $\int \frac{\cos x-\sin x}{\sqrt{8-\sin 2 x}} \,d x=\operatorname{a} \sin^{-1}\left(\frac{\sin x+\cos x}{b}\right)+c$,जहाँ $c$ समाकलन का एक स्थिरांक है,तो क्रमित युग्म $(a, b)$ किसके बराबर है?

फलन $\frac{\cos \sqrt{x}}{\sqrt{x}}$ का समाकलन कीजिए।

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