$\int \frac{dx}{(x+1)(x+2)}$ का मान क्या है?

  • A
    $\log \left|\frac{x+1}{x+2}\right|+c$
  • B
    $\log \left|\frac{x+2}{x+1}\right|+c$
  • C
    $\log \left|\frac{x-1}{x+2}\right|+c$
  • D
    $\log \left|\frac{x-1}{x-2}\right|+c$

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