$\int_0^{\pi /2} {\frac{{\sin x\cos x\,dx}}{{{{\cos }^2}x + 3\cos x + 2}}} = $

  • A
    $\log \left( {\frac{8}{9}} \right)$
  • B
    $\log \left( {\frac{9}{8}} \right)$
  • C
    $\log (8 \times 9)$
  • D
    આમાંથી કોઈ નહીં

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