જો $\int \frac{1}{x} \sqrt{\frac{1-\sqrt{x}}{1+\sqrt{x}}} d x=2 f(x)-2 \operatorname{Sin}^{-1} \sqrt{x}+c$ હોય,તો $f(x)=$

  • A
    $\operatorname{Sech}^{-1} \sqrt{x}$
  • B
    $\operatorname{Cosec}^{-1} \sqrt{x}$
  • C
    $\log \left(\frac{1+\sqrt{1-x}}{\sqrt{x}}\right)$
  • D
    $\log \left(\frac{\sqrt{1-x}-1}{\sqrt{x}}\right)$

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$\int \frac{dx}{3 \cos 2x + 5}$ ની કિંમત શોધો.

$\int \frac{dx}{x^2(x^4 + 1)^{3/4}} = $

$\frac{e^{-\pi/4} + \int_0^{\pi/4} e^{-x} \tan^{50} x \, dx}{\int_0^{\pi/4} e^{-x} (\tan^{49} x + \tan^{51} x) \, dx}$ ની કિંમત શોધો.

જો $\int \frac{\sin x \cos x}{\sqrt{\cos^4 x - \sin^4 x}} dx = -\frac{f(x)}{2} + c$ હોય,તો $f(x)$ નો પ્રદેશ (domain) શું છે?

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

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