$x$ की बढ़ती घातों में $\frac{5x + 6}{(2 + x)(1 - x)}$ के विस्तार में $x^n$ का गुणांक क्या होगा?

  • A
    $\frac{-2}{3} \frac{(-1)^n}{2^n} + \frac{11}{3}$
  • B
    $\frac{2}{3} + \frac{(-1)^n}{2^n} - \frac{11}{3}$
  • C
    $-\frac{2}{3} + \frac{(-1)^n}{3} - \frac{11}{2^n}$
  • D
    इनमें से कोई नहीं

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यदि $\frac{x^3 - 6x^2 + 10x - 2}{x^2 - 5x + 6} = f(x) + \frac{A}{x - 2} + \frac{B}{x - 3}$ है,तो $f(x) = $

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यदि $\frac{x^2-3x+1}{(x-1)(x-2)(x-3)}=\frac{A}{x-3}+\frac{B}{(x-1)(x-2)}+\frac{C}{(x-1)(x-2)(x-3)}$ है,तो $B=$

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