જો $\frac{\sin^2 x + 1}{2\sin^2 x - 5\sin x + 3} = \frac{A}{2\sin x - 3} + \frac{B}{\sin x - 1} + C$ હોય,તો:

  • A
    $A = \frac{13}{2}$
  • B
    $A + B + C = 5$
  • C
    $C = 1$
  • D
    $A$ અને $B$ બંને

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જો $\frac{2x^4-x^3+3x^2-x+4}{x^2-3x+2} = f(x) + \frac{A}{x-1} + \frac{B}{x-2}$ હોય,તો:

જો $\frac{x+1}{(x-1)^2(x^2+1)}=\frac{A}{x-1}+\frac{B}{(x-1)^2}+\frac{Cx+D}{x^2+1}$ હોય,તો $\sqrt{3A^2+4D^2+5C^2+B^2}=$

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

$\frac{1}{x(x+1)(x+2) \ldots(x+n)} = \frac{A_0}{x} + \frac{A_1}{x+1} + \ldots + \frac{A_n}{x+n}$. $0 \leq r \leq n$ માટે,$A_r$ ની કિંમત શોધો:

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