यदि $\int \frac{1-(\cot x)^{2019}}{\tan x+(\cot x)^{2020}} dx = \frac{1}{n} \ln |(f(x))^n + (g(x))^n| + c$ है,तो $n[(f(x))^4 + (g(x))^4]_{x=\frac{\pi}{3}}$ का मान ज्ञात कीजिए।

  • A
    $\frac{10105}{16}$
  • B
    $\frac{10012}{15}$
  • C
    $\frac{20210}{9}$
  • D
    $\frac{10105}{8}$

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$\int \frac{dx}{3 \cos 2x + 5}$ का मान ज्ञात कीजिए।

फलन का समाकलन कीजिए: $\frac{x+3}{x^{2}-2x-5}$

Difficult
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यदि $f(x) = \int \operatorname{cosec}^5 x \, dx$ है,तो $f\left(\frac{\pi}{4}\right) = $

यदि $I=\int \frac{\sin x+\sin ^3 x}{\cos 2 x} \,d x=P \cos x+Q \log \left|\frac{\sqrt{2} \cos x-1}{\sqrt{2} \cos x+1}\right|+c,$ (जहाँ $c$ समाकलन का एक स्थिरांक है),तो $P$ और $Q$ के मान क्रमशः क्या हैं?

$\int \frac{d x}{\sqrt{\left(5+2 x+x^2\right)^3}}$ का मान ज्ञात कीजिए।

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