જો $\frac{x}{(x-1)(x^2+1)^2} = \frac{1}{4}\left[\frac{1}{x-1} - \frac{x+1}{x^2+1}\right] + y$ હોય,તો $y =$

  • A
    $\frac{1}{2}\left[\frac{1-x}{(x^2+1)^2}\right]$
  • B
    $\frac{1+x}{3(x^2+1)^2}$
  • C
    $\frac{1-x}{(x^2-1)^2}$
  • D
    $\frac{1+x}{(x^2+1)^2}$

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જો $\frac{ax - 1}{(1 - x + x^2)(2 + x)} = \frac{x}{1 - x + x^2} - \frac{1}{2 + x}$ હોય,તો $a = $

$\frac{x^4 + 24x^2 + 28}{(x^2 + 1)^3}$ નું આંશિક અપૂર્ણાંક વિભાજન શું છે?

Difficult
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$\frac{2 x^2}{(x^2+1)(x^2+2)}$ ના વિસ્તરણમાં $x^4$ અને $x^6$ ના સહગુણકોના તફાવતનું નિરપેક્ષ મૂલ્ય શોધો.

જો $\frac{1}{(x-1)(x-2)(x-3)}=\frac{A}{x-1}+\frac{B}{x-2}+\frac{C}{x-3}$ અને $\frac{x}{(x-1)(x-2)(x-3)}=\frac{P}{x-1}+\frac{Q}{x-2}+\frac{R}{x-3}$ હોય,તો $A+2B+3C=$

$\frac{x^2 + 1}{(2x - 1)(x^2 - 1)} = $

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