यदि $\int \frac{dx}{1+3 \sin^2 x} = \frac{1}{2} \tan^{-1}(f(x)) + c$ है,जहाँ $c$ एक समाकलन स्थिरांक है,तो $f(x)$ किसके बराबर है?

  • A
    $2 \tan x$
  • B
    $2 \sin x$
  • C
    $\tan x$
  • D
    $\sin x$

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$\int \sec^p x \tan x \, dx = $

यदि $\int \frac{x^3 \, dx}{\sqrt{1+x^2}} = a(1+x^2) \sqrt{1+x^2} + b \sqrt{1+x^2} + c$ (जहाँ $c$ समाकलन का एक स्थिरांक है),तो $3ab$ का मान ज्ञात कीजिए।

$\int \frac{x \, dx}{1 - x \cot x} = $

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

यदि $f'(x) = \frac{(\sqrt{x}+1)e^{\sqrt{x}}}{\sqrt{x}}$ और $f(0) = e$ है, तो $f(1) = \dots$

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