જો $\frac{ax^2 + bx + c}{(x - 1)(x + 2)(2x + 3)} = \frac{3}{x - 1} + \frac{2}{x + 2} - \frac{5}{2x + 3}$ હોય,તો:

  • A
    $a = 5$
  • B
    $b = 18$
  • C
    $c = 22$
  • D
    આમાંથી કોઈ નહીં

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મર્યાદાની ગણતરી કરો: $\lim _{n \rightarrow \infty} \sum_{r=1}^n \frac{r+2}{r(r+1)(r+3)}$

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 $\frac{x^2+x+1}{x^2+2x+1}=A+\frac{B}{x+1}+\frac{C}{(x+1)^2}$ હોય,તો $A-B$ ની કિંમત શું થાય?

$\frac{1}{x(x+1)(x+2) \ldots(x+n)} = \frac{A_0}{x} + \frac{A_1}{x+1} + \ldots + \frac{A_n}{x+n}$. $0 \leq r \leq n$ માટે,$A_r$ ની કિંમત શોધો:

જો $\frac{x^2}{2 x^4+7 x^2+6}=\frac{A x+B}{x^2+a}+\frac{C x+D}{a x^2+3}$ હોય, તો $A+B+C-2 D$ ની કિંમત શોધો. ($a$ માં)

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