यदि $\frac{x^4}{(x-1)(x-2)(x-3)}=Ax+B \cdot \frac{1}{x-1}+C \cdot \frac{1}{x-2}+D \cdot \frac{1}{x-3}+E$ है,तो $A+B+C+D+E=$

  • A
    $-12$
  • B
    $6$
  • C
    $18$
  • D
    $32$

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यदि $\frac{1}{x(x+1)(x+2) \ldots(x+n)} = \sum_{r=0}^{n} \frac{A_r}{x+r}$ है,तो $A_r$ का मान ज्ञात कीजिए:

यदि $\frac{(x - a)(x - b)}{(x - c)(x - d)} = \frac{A}{x - c} - \frac{B}{x - d} + C$ है,तो $C =$

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यदि $\frac{3 x^4-2 x^2+1}{(x-2)^4}=A+\frac{B}{x-2}+\frac{C}{(x-2)^2}+\frac{D}{(x-2)^3}+\frac{E}{(x-2)^4}$ है,तो $2 A+3 B-C-D+E=$

यदि $\frac{2x + 3}{(x + 1)(x - 3)} = \frac{a}{x + 1} + \frac{b}{x - 3}$ है,तो $a + b$ का मान ज्ञात कीजिए।

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