લક્ષની કિંમત શોધો: $\lim _{x \rightarrow -9} \frac{(2.5)^{81-x^2}-(0.4)^{x+9}}{x+9}$

  • A
    $18 \log (2.5)+\log (0.4)$
  • B
    $\log (2.5)-\log (0.4)$
  • C
    $18(\log (2.5)+\log (0.4))$
  • D
    $-19 \log (0.4)$

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