ધારો કે $A = \int\limits_0^1 \frac{e^t}{1 + t} \, dt$. તો $\int\limits_{a - 1}^a \frac{e^{-t}}{t - a - 1} \, dt$ નું મૂલ્ય શોધો:

  • A
    $Ae^{-a}$
  • B
    $-Ae^{-a}$
  • C
    $-ae^{-a}$
  • D
    $Ae^a$

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