જો $\frac{2x+1}{(x-1)^2(x^2+1)}=\frac{A}{x-1}+\frac{B}{(x-1)^2}+\frac{Cx+D}{x^2+1}$ હોય, તો $A+B+C+D=$

  • A
    $1$
  • B
    $2$
  • C
    $\frac{3}{4}$
  • D
    $\frac{1}{2}$

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

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

$\frac{x^2 + 13x + 15}{(2x + 3)(x + 3)^2}$ ને આંશિક અપૂર્ણાંકમાં ફેરવો.

Difficult
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જો $\frac{x^3}{(2x-1)(x+2)(x-3)}$ નો સમકક્ષ આંશિક અપૂર્ણાંક $A+\frac{B}{2x-1}+\frac{C}{x+2}+\frac{D}{x-3}$ દ્વારા આપવામાં આવે,તો $C$ ની કિંમત શોધો.

જો $\frac{17x-2}{12x^2-x-20}=\frac{A}{ax+5}+\frac{B}{3x+b}$ હોય,તો $a \cdot A+b \cdot B=$

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