ધારો કે $\alpha \in (0, \pi /2)$ નિશ્ચિત છે. જો સંકલન $\int \frac{\tan x + \tan \alpha}{\tan x - \tan \alpha} dx = A(x) \cos 2\alpha + B(x) \sin 2\alpha + C$ હોય,જ્યાં $C$ એ સંકલનનો અચળાંક છે,તો વિધેયો $A(x)$ અને $B(x)$ અનુક્રમે શું થશે?

  • A
    $x + \alpha$ અને $\log_e |\sin (x - \alpha)|$
  • B
    $x - \alpha$ અને $\log_e |\cos (x - \alpha)|$
  • C
    $x - \alpha$ અને $\log_e |\sin (x - \alpha)|$
  • D
    $x + \alpha$ and $\log_e |\sin (x + \alpha)|$

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