$x$ के वे मान जिनके लिए $\frac{x}{(x-1)^2(x-2)}$ का विस्तार संभव है और उस विस्तार में $x^n$ का गुणांक क्रमशः क्या हैं?

  • A
    $|x| < 1, 1 - n - \frac{1}{2^{n+1}}$
  • B
    $|x| < 1, 1 - n - \frac{1}{2^n}$
  • C
    $|x| < 1, 1 + n - \frac{1}{2^{n+1}}$
  • D
    $|x| < 2, 1 - n - \frac{1}{2^{n+1}}$

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