જો $\frac{x^2+x+1}{x^2+2x+1}=A+\frac{B}{x+1}+\frac{C}{(x+1)^2}$ હોય,તો $A-B$ ની કિંમત શું થાય?

  • A
    $4C$
  • B
    $4C+1$
  • C
    $3C$
  • D
    $2C$

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જો $\frac{17x-2}{12x^2-x-20}=\frac{A}{ax+5}+\frac{B}{3x+b}$ હોય,તો $a \cdot A+b \cdot B=$

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

$\begin{aligned} & \frac{x^2+1}{x^4+4}=\frac{A x+B}{x^2-2 x+2}+\frac{C x+D}{x^2+2 x+2} \\ & \Rightarrow 3 A+2 B+3 C=\end{aligned}$

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