$\int {\frac{{2x + 5}}{{\sqrt {7 - 6x - {x^2}} }}dx} = A\sqrt {7 - 6x - {x^2}} + B\,{\sin ^{ - 1}}\left( {\frac{{x + 3}}{4}} \right) + C$ (जहाँ $C$ समाकलन का एक स्थिरांक है),तो क्रमित युग्म $(A, B)$ बराबर है

  • A
    $(-2, -1)$
  • B
    $(2, -1)$
  • C
    $(-2, 1)$
  • D
    $(2, 1)$

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