$\frac{3x}{(x - 2)(x + 1)}$ ના વિસ્તરણમાં $x^4$ નો સહગુણક શું છે?

  • A
    $-\frac{15}{16}$
  • B
    $\frac{15}{16}$
  • C
    $-\frac{16}{15}$
  • D
    $\frac{16}{15}$

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જો $\frac{3x}{(x-a)(x-b)} = \frac{2}{x-a} + \frac{1}{x-b}$ હોય,તો $a:b$ ની કિંમત શોધો.

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

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જો $\frac{d}{d x}\left(\frac{2 x+1}{(x+1)^2(x-2)}\right)=\frac{A}{(x-2)^2}+\frac{B}{(x+1)^3}+\frac{C}{(x+1)^2}$ હોય, તો $A+B+C=$

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