$x$ की बढ़ती घातों में $\frac{x - 4}{x^2 - 5x + 6}$ के प्रसार में $x^n$ का गुणांक ज्ञात कीजिए।

  • A
    $\frac{-1}{2^n} - \frac{1}{3^{n+1}}$
  • B
    $\frac{1}{2^n} - \frac{1}{3^{n-1}}$
  • C
    $\frac{-1}{2^n} + \frac{1}{3^{n+1}}$
  • D
    $\frac{-1}{2^n} + \frac{1}{3^{n-1}}$

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$\begin{aligned} & \frac{x^2+x+1}{(x-1)(x-2)(x-3)}=\frac{A}{x-1}+\frac{B}{x-2}+\frac{C}{x-3} \\ & \Rightarrow A+C= \end{aligned}$

यदि $\frac{2x + 3}{(x + 1)(x - 3)} = \frac{a}{x + 1} + \frac{b}{x - 3}$ हो,तो $a + b$ का मान ज्ञात कीजिए।

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$\frac{6x^4 + 5x^3 + x^2 + 5x + 2}{1 + 5x + 6x^2}$ का आंशिक भिन्न =

यदि $\frac{9}{(x - 1)(x + 2)^2} = \frac{A}{x - 1} + \frac{B}{x + 2} + \frac{C}{(x + 2)^2}$ है,तो $A - B - C = $

यदि $\frac{2 x^2+5 x+6}{(x+2)^3}=\frac{a}{x+2}+\frac{b}{(x+2)^2}+\frac{c}{(x+2)^3}$ है,तो $a \cdot b+b \cdot c+c \cdot a=$

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