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

  • A
    $x \tan \frac{x}{2}+C$
  • B
    $x \sin \frac{x}{2}+\cos \frac{x}{2}+C$
  • C
    $x \tan \frac{x}{2}+\sec \frac{x}{2}+C$
  • D
    $x \sec \frac{x}{2}+\tan \frac{x}{2}+C$

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$\int \sqrt{1 + \sin x} \, dx$ का मान है

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

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

निम्नलिखित समाकलन ज्ञात कीजिए: $\int x^{2}\left(1-\frac{1}{x^{2}}\right) d x$

निम्नलिखित कथन $(A)$ और कारण $(R)$ पर विचार करें:
कथन $(A)$: $\int \sqrt{x-3} \left(\sin^{-1}(\log x) + \cos^{-1}(\log x)\right) dx = \frac{\pi}{3}(x-3)^{3/2} + c$
कारण $(R)$: $\sin^{-1}(f(x)) + \cos^{-1}(f(x)) = \frac{\pi}{2}$, जहाँ $|f(x)| \le 1$
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