यदि $\int \frac{\sin x}{3+4 \cos ^2 x} \,dx = A \tan ^{-1}(B \cos x) + C$ है, (जहाँ $C$ समाकलन का एक स्थिरांक है), तो $A+B$ का मान ज्ञात कीजिए।

  • A
    $\frac{5}{2 \sqrt{3}}$
  • B
    $\frac{-1}{2 \sqrt{3}}$
  • C
    $\frac{-2}{\sqrt{3}}$
  • D
    $\frac{\sqrt{3}}{2}$

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यदि $\int \frac{\sqrt{x}}{x(x+1)} dx = k \tan^{-1} m + c$ है,(जहाँ $c$ समाकलन का स्थिरांक है),तो:

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