निश्चित समाकलन $\int_{1}^{2}\left(\frac{1}{x}-\frac{1}{2 x^{2}}\right) e^{2 x} d x$ का मान ज्ञात कीजिए।

  • A
    $\frac{e^{4}-2e^{2}}{4}$
  • B
    $\frac{e^{4}+2e^{2}}{4}$
  • C
    $\frac{e^{4}-e^{2}}{4}$
  • D
    $\frac{e^{4}+e^{2}}{4}$

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