$\int_1^2 {{e^x}\left( {\frac{1}{x} - \frac{1}{{{x^2}}}} \right)\,dx = } $

  • A
    $\frac{{{e^2}}}{2} + e$
  • B
    $e - \frac{{{e^2}}}{2}$
  • C
    $\frac{{{e^2}}}{2} - e$
  • D
    इनमें से कोई नहीं

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