$x$ ની વધતી જતી ઘાતમાં $\frac{5x + 6}{(2 + x)(1 - x)}$ ના વિસ્તરણમાં $x^n$ નો સહગુણક શું હશે?

  • 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
    આમાંથી કોઈ નહીં

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જો $\frac{3x^2+x+1}{(x-1)^4} = \frac{a}{(x-1)} + \frac{b}{(x-1)^2} + \frac{c}{(x-1)^3} + \frac{d}{(x-1)^4}$ હોય,તો $\begin{bmatrix} a & b \\ c & d \end{bmatrix}$ બરાબર શું થાય?

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$\frac{x^2 + 1}{(x^2 + 4)(x - 2)}$ ના વિસ્તરણમાં $x^5$ નો સહગુણક શું છે?

Difficult
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જો $\frac{A}{x-a}+\frac{B x+C}{x^2+b^2}=\frac{1}{(x-a)(x^2+b^2)}$ હોય,તો $C=$

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