यदि $\int \sqrt{1 + \sin x} \, dx = -4 \cos(ax + b) + c$ है, तो $a$ और $b$ के मान क्रमशः हैं:

  • A
    $1/2, \pi/2$
  • B
    $1/2, \pi/4$
  • C
    $x/2, \pi/4$
  • D
    $1, \pi/2$

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यदि $x \neq (2n+1) \frac{\pi}{2}, n \in Z$ और $\cos x \neq \frac{-1}{2}$ है, तो समाकलन ज्ञात कीजिए:
$\int \left( \frac{\sin x + \sin 2x}{1 + \cos x + \cos 2x} \right)^2 dx$

यदि $\int(3t^2 \sin \frac{1}{t} - t \cos \frac{1}{t}) dt = f(t) \sin(\frac{1}{t}) + c$ है,तो $f(2) =$ ज्ञात कीजिए।

निम्नलिखित समाकलन ज्ञात कीजिए: $\int \frac{2-3 \sin x}{\cos ^{2} x} d x$

$\int \frac{dx}{\sqrt{9-8x-4x^2}} = $ . . . . . . + $C$

$\int {{x^{51}}({{\tan }^{ - 1}}x + {{\cot }^{ - 1}}x)} \,dx = $

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