यदि $0 < x < 1$ और $\int \frac{dx}{\sqrt{x^2-x^5}} = \frac{1}{3} \log |f(x)| + C$ है,तो $f\left(\frac{1}{2}\right) = $

  • A
    $\frac{(\sqrt{8}-\sqrt{7})}{(\sqrt{8}+\sqrt{7})}$
  • B
    $\frac{(\sqrt{8}+\sqrt{7})}{(\sqrt{8}-\sqrt{7})}$
  • C
    $2(\sqrt{8}-\sqrt{7})$
  • D
    $2(\sqrt{8}-\sqrt{7})^2$

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यदि $\int {\frac{{\left( {2x + 3} \right)dx}}{{x\left( {x + 1} \right)\left( {x + 2} \right)\left( {x + 3} \right) + 1}}} = C - \frac{1}{{f(x)}}$ जहाँ $f(x)$,$ax^2 + bx + c$ के रूप में है,तो $(a + b + c)$ का मान ज्ञात कीजिए।

$\int \frac{\log (\cot x)}{\sin 2 x} \,d x=$

$\int {\frac{{{x^{e - 1}} + {e^{x - 1}}}}{{{x^e} + {e^x}}}} \,dx = $

फलन $\frac{1}{x+x \log x}$ का समाकलन कीजिए।

$\int \frac{\sin(2x)}{\sin^2(x) + 2\cos^2(x)} dx = $

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