ધારો કે $I(x) = \int \sqrt{\frac{x+7}{x}} \, dx$ અને $I(9) = 12 + 7 \log_e 7$. જો $I(1) = \alpha + 7 \log_e(1 + 2\sqrt{2})$ હોય,તો $\alpha^4$ ની કિંમત $..........$ થાય.

  • A
    $63$
  • B
    $62$
  • C
    $61$
  • D
    $64$

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