यदि $\frac{x^4+24 x^2+28}{\left(x^2+1\right)^3}=\frac{A x+B}{x^2+1}+\frac{C x+D}{\left(x^2+1\right)^2}+\frac{E x+F}{\left(x^2+1\right)^3}$ है,तो $A+B+C+D+E+F$ का मान ज्ञात कीजिए।

  • A
    $21$
  • B
    $22$
  • C
    $28$
  • D
    $29$

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$\frac{x^4 + 24x^2 + 28}{(x^2 + 1)^3}$ का आंशिक भिन्न है:

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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 $a \cdot b+b \cdot c+c \cdot a=$

यदि $\frac{x^4+x^3+2x^2-2x+1}{x^3+x^2} = P(x) + \frac{A}{x} + \frac{B}{x^2} + \frac{C}{x+1}$ है,तो $A+B+C = $

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

$\frac{x^2 + 13x + 15}{(2x + 3)(x + 3)^2} = $

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