$\int \frac{1}{\cos x(1 + \cos x)} \, dx = $

  • A
    $\log |\sec x + \tan x| + 2\tan \frac{x}{2} + c$
  • B
    $\log |\sec x + \tan x| - 2\tan \frac{x}{2} + c$
  • C
    $\log |\sec x + \tan x| + \tan \frac{x}{2} + c$
  • D
    $\log |\sec x + \tan x| - \tan \frac{x}{2} + c$

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यदि $f\left( \frac{3x - 4}{3x + 4} \right) = x + 2, x \ne -\frac{4}{3}$,और $\int f(x) dx = A \log |1 - x| + Bx + C$ है,तो क्रमित युग्म $(A, B)$ का मान ज्ञात कीजिए: (जहाँ $C$ एक समाकलन स्थिरांक है)

समाकलन ज्ञात कीजिए: $\int a^{3x + 3} dx$.

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$\int \frac{dx}{\sqrt{x^2 + a^2}}$ का मान क्या है?

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