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

  • A
    $(-1)^r \frac{1}{r!(n-r)!}$
  • B
    $(-1)^r \frac{r!}{(n-r)!}$
  • C
    $\frac{1}{r!(n-r)!}$
  • D
    $\frac{r!}{(n-r)!}$

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$\frac{x^2}{(x - 1)^3(x - 2)}$ નો આંશિક અપૂર્ણાંક શું છે?

$\text{જો } \frac{3x^2+1}{(x^2+1)(x^2+2)^2} = \frac{Ax+B}{x^2+1} + \frac{Cx+D}{x^2+2} + \frac{Ex+F}{(x^2+2)^2} \text{ હોય, તો } A+C+E = $

જો $\frac{x^4+24 x^2+28}{\left(x^2+1\right)^3}=\frac{A x+B}{x^2+1}+\frac{C x+D}{\left(x^2+1\right)^2}+\frac{E x+F}{\left(x^2+1\right)^3}$ હોય,તો $A+B+C+D+E+F$ ની કિંમત શોધો.

જો $\frac{3x^3-7x+1}{(x-2)^5} = \frac{A}{x-2} + \frac{B}{(x-2)^2} + \frac{C}{(x-2)^3} + \frac{D}{(x-2)^4} + \frac{E}{(x-2)^5}$ હોય,તો $A(B+C+D+E) =$ ?

$\frac{1}{(1 - x)(3 - x)}$ ના વિસ્તરણમાં ${x^n}$ નો સહગુણક શું છે?

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