If 2 x 4 - x 3 + 3 x 2 - x + 4 x 2 - 3 x + 2 = f ( x ) + A x - 1 + B x - 2 then

1. $f\left(x\right)=2x^2+5x+14,A+B=39$
2. $f\left(x\right)=2x^2-5x+14,A+B=31$
3. $f\left(x\right)=2x^2+5x+14,A+B=31$
4. $f\left(x\right)=2x^2+5x+14,A=4,B=35$

Solution

Asked in: AP EAMCET 2021 (20 Aug Shift 2)

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