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 $\frac{x^2+3}{x^4+2 x^2+9}=\frac{A x+B}{x^2+a x+b}+\frac{C x+D}{x^2+c x+b}$ હોય,તો $a A+b B+c C+D=$

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

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$\frac{1-2x}{(2x+1)(2-x)}$ ના વિસ્તરણમાં $x^3$ નો સહગુણક શું છે?

જો $\frac{2x^2-3x+5}{(x-7)^3}=\frac{A}{x-7}+\frac{B}{(x-7)^2}+\frac{C}{(x-7)^3}$ હોય, તો $2A-3B+C=$

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

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