समाकल $\int_{-1}^{1} \left\{ \frac{x^{2013}}{e^{|x|}(x^{2}+\cos x)} + \frac{1}{e^{|x|}} \right\} dx$ का मान ज्ञात कीजिए।

  • A
    $0$
  • B
    $1-e^{-1}$
  • C
    $2e^{-1}$
  • D
    $2(1-e^{-1})$

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