$(0.05)^{\log_{\sqrt{20}}(0.1 + 0.01 + 0.001 + \dots)}$ ની કિંમત શોધો.

  • A
    $81$
  • B
    $\frac{1}{81}$
  • C
    $20$
  • D
    $\frac{1}{20}$

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