यदि $\frac{x^2+5x+7}{(x-3)^3}=\frac{A}{(x-3)}+\frac{B}{(x-3)^2}+\frac{C}{(x-3)^3}$ है,तो $9A-3B+C=$

  • A
    $2$
  • B
    $5$
  • C
    $7$
  • D
    $9$

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Similar Questions

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

यदि $\frac{ax+5}{(x^2+b)(x+3)}=\frac{x+21}{12(x^2+b)}+\frac{c}{12(x+3)}$ है,तो $b^2=$

यदि $\frac{1}{x^4+x^2+1}=\frac{Ax+B}{x^2+ax+1}+\frac{Cx+D}{x^2-ax+1}$ है,तो $A+B-C+D=$

यदि $\frac{1}{x^4+x^2+1}=\frac{Ax+B}{x^2+x+1}+\frac{Cx+D}{x^2-x+1}$ है,तो $\cos^{-1}(A+B+C+D)=$

यदि $\frac{42-13x}{x^2+x-6}=\frac{A}{lx+m}+\frac{B}{px+q}$ जहाँ $lm > 0$ और $pq < 0$ है,तो $\frac{Alp}{Bmq} =$

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