यदि $\frac{13x+43}{2x^2+17x+30} = \frac{A}{2x+5} + \frac{B}{x+6}$ है,तो $A+B = $

  • A
    $8$
  • B
    $18$
  • C
    $3$
  • D
    $5$

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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 $\frac{(x - 1)^2}{x^3 + x} = \frac{A}{x} + \frac{Bx + C}{x^2 + 1}$ है,तो

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