$\int \frac{x+\sin x}{1+\cos x} d x=$

  • A
    $x \tan \left(\frac{x}{2}\right)+c$
  • B
    $\log (x+\sin x)+c$
  • C
    $\tan \left(\frac{x}{2}\right)+c$
  • D
    $\log (1+\cos x)+c$

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જો $\int x^{49} \left[ \operatorname{Tan}^{-1} x^{50} + \frac{x^{50}}{1 + x^{100}} \right] dx = \frac{x^n}{k} f(x) + c$ હોય,તો $f(x) - f\left(\sqrt[k]{x^n}\right) =$ શોધો.

જો $\int \frac{dx}{\cos^3 x \sqrt{2 \sin 2x}} = (\tan x)^A + C(\tan x)^B + K$,જ્યાં $K$ એ સંકલનનો અચળાંક છે,તો $5(A+B+C)$ ની કિંમત શોધો.

ધારો કે $5 f(x)+4 f\left(\frac{1}{x}\right)=\frac{1}{x}+3$,જ્યાં $x > 0$. તો $18 \int \limits_1^2 f(x) \, dx$ ની કિંમત શોધો:

$\int \frac{\sqrt{1-x^2} \sin ^{-1} x+x}{\sqrt{1-x^2}} d x=$

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