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AP EAMCET · Maths · Quadratic Equation

\(\operatorname{In} \frac{x^4-6 x^3+9 x^2+5 x-20}{x^2-x-2}=f(x)+\frac{a}{x+p}+\frac{b}{x+q}\) then \(2(a+b)=\)

  1. A \(\mathrm{f}(7)\)
  2. B \(\mathrm{f}(6)\)
  3. C \(\mathrm{f}(5)\)
  4. D \(\mathrm{f}(4)\)
Verified Solution

Answer & Solution

Correct Answer

(D) \(\mathrm{f}(4)\)

Step-by-step Solution

Detailed explanation

Given : \(\frac{x^4-6 x^3+9 x^2+5 x-20}{x^2-x-2}=f(x)+\frac{a}{(x+p)}+\frac{b}{(x-q)}\) ...(i)…