$\text{જો } \int \frac{3x+2}{4x^2+4x+5} dx = A \log(4x^2+4x+5) + B \tan^{-1}\left(x+\frac{1}{2}\right) + C, \text{ હોય તો } (A, B) = $

  • A
    $(\frac{3}{8}, \frac{1}{8})$
  • B
    $(\frac{5}{8}, \frac{1}{8})$
  • C
    $(-\frac{3}{8}, \frac{1}{8})$
  • D
    $(-\frac{5}{8}, \frac{1}{8})$

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જો $\int {\frac{{{a^x}{e^{3x}}}}{{{b^x}{c^x}}}} dx = \frac{1}{P}\left( {\frac{{{a^x}{e^{3x}}}}{{{b^x}{c^x}}}} \right) + K$; તો $P =$ ?

ધારો કે $f(x) = \tan^{-1}\left(\frac{1+\cos x}{\sin x}\right)$ અને $g(x) = \tan^{-1}\left(\frac{\sin x}{1-\cos x}\right)$ છે. તો,$\int (f(x) + g(x)) \, dx$ ની કિંમત શોધો.

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