$\mathop {\lim }\limits_{x \to \infty } \frac{{\sqrt {{x^2} + {a^2}} - \sqrt {{x^2} + {b^2}} }}{{\sqrt {{x^2} + {c^2}} - \sqrt {{x^2} + {d^2}} }} = $

  • A
    $\frac{{{a^2} - {b^2}}}{{{c^2} - {d^2}}}$
  • B
    $\frac{{{a^2} + {b^2}}}{{{c^2} - {d^2}}}$
  • C
    $\frac{{{a^2} + {b^2}}}{{{c^2} + {d^2}}}$
  • D
    इनमें से कोई नहीं

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