જો $\int \frac{1+\cos 8 x}{\tan 2 x-\cot 2 x} d x=f(x) \cdot \cos (g(x))+c$ હોય, તો $f\left(\frac{1}{4}\right)+g\left(\frac{1}{4}\right)=$

  • A
    $2$
  • B
    $\frac{17}{8}$
  • C
    $\frac{15}{8}$
  • D
    $\frac{33}{16}$

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જો $\int \frac{1}{x} \sqrt{\frac{1-x}{1+x}} dx = g(x) + c$ અને $g(1) = 0$ હોય,તો $g\left(\frac{1}{2}\right)$ ની કિંમત શોધો.

જો $\int \frac{d x}{3-2 \cos 2 x}=\frac{\tan ^{-1}(f(x))}{\sqrt{5}}+c$,(જ્યાં $c$ એ સંકલનનો અચળાંક છે),તો $f(\pi / 4)$ ની કિંમત શોધો:

$\int {\frac{{{x^2} + 1}}{{{x^4} + 1}}} \,dx = $

Difficult
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સંકલન $\int \frac{x^2 + \cos^2 x}{1 + x^2} \operatorname{cosec}^2 x \, dx$ ની કિંમત શોધો,જ્યાં $c$ એ સંકલનનો અચળાંક છે.

$\int_{\frac{1}{\sqrt[5]{31}}}^{\frac{1}{\sqrt[5]{242}}} \frac{1}{\sqrt[5]{x^{30}+x^{25}}} d x=$

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