यदि $2 f(x)-3 f\left(\frac{1}{x}\right)=x$ है,तो $\int_1^e f(x) d x=$

  • A
    $-\left(\frac{2+e^2}{5}\right)$
  • B
    $\frac{2+e}{5}$
  • C
    $\frac{2+e^2}{5}$
  • D
    $\frac{2-e^2}{5}$

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