यदि $\int \sqrt{2} \sqrt{1 + \sin x} \, dx = -4 \cos(ax + b) + c$ है,तो $(a, b)$ का मान ज्ञात कीजिए।

  • A
    $\frac{1}{2}, \frac{\pi}{4}$
  • B
    $1, \frac{\pi}{2}$
  • C
    $1, 1$
  • D
    इनमें से कोई नहीं

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यदि $f(x) = \int \frac{2-3 \sin^2 x}{1+\cos 2x} dx$ और $f\left(\frac{\pi}{4}\right) = 1$ है,तो $f(0) =$

ज्ञात कीजिए: $\int \sin 2x \cos 3x \, dx$

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