यदि $\int \frac{5 \tan x}{\tan x-2} \, dx = x + a \log |\sin x - 2 \cos x| + c$ (जहाँ $c$ समाकलन का एक स्थिरांक है),तो $a$ का मान ज्ञात कीजिए।

  • A
    $1$
  • B
    $\frac{1}{2}$
  • C
    $2$
  • D
    $3$

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$\int \frac{d x}{\left(x^2-a^2\right)^{\frac{3}{2}}}$ का मान ज्ञात कीजिए।

यदि $\int {\frac{{{x^4} + 1}}{{x{{\left( {{x^2} + 1} \right)}^2}}}} dx = A \ln |x| + \frac{B}{{1 + {x^2}}} + c$,जहाँ $c$ समाकलन का स्थिरांक है,तो:

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

$\int \frac{3\cos x + 3\sin x}{4\sin x + 5\cos x} \, dx = $

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यदि $\int \sqrt{\sec 2x - 1} \, dx = \alpha \log_e \left| \cos 2x + \beta + \sqrt{\cos 2x (1 + \cos \frac{1}{\beta} x)} \right| + C$ है,तो $\beta - \alpha$ का मान ज्ञात कीजिए।

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