यदि $\frac{e^x + 2}{(e^x - 1)(2e^x - 3)} = -\frac{3}{e^x - 1} + \frac{B}{2e^x - 3}$ है,तो $B = $

  • A
    $1$
  • B
    $3$
  • C
    $5$
  • D
    $7$

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यदि $\frac{4 x^3+16 x+7}{\left(x^2+4\right)^2}=\frac{A x+B}{x^2+4}+\frac{C x+D}{\left(x^2+4\right)^2}$ है,तो $A, B, C, D$ में शून्येतर (non-zero) मानों की संख्या क्या है?

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

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

यदि $\frac{x^4}{(x-1)^2(x+1)}=Ax+B+\frac{P}{(x-1)}+\frac{Q}{(x-1)^2}+\frac{R}{x+1}$ है,तो $2AP-BQ+R=$

$\frac{1}{x(x+1)(x+2) \ldots(x+n)} = \frac{A_0}{x} + \frac{A_1}{x+1} + \ldots + \frac{A_n}{x+n}$. $0 \leq r \leq n$ के लिए,$A_r$ का मान ज्ञात कीजिए:

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