1.

What should be subtracted from x3 – 2x2 + 4x + 1 to get 1 ?A) x3 – 2x2 + 4x + 1 B) x3 + 2x2 + 4x + 1 C) x3 – 2x2 + 4x D) x3 – 2x2 + 4x -1

Answer»

Correct option is (C) x3 – 2x2 + 4x

Let p(x) be subtracted from

\(x^3 – 2x^2 + 4x +1\) to get 1.

i.e., \(x^3 – 2x^2 + 4x +1-p(x)=1\)

\(\Rightarrow\) \(p(x)=x^3 – 2x^2 + 4x +1--1\)

\(\Rightarrow\) \(p(x)=x^3 – 2x^2 + 4x\)

Correct option is C) x3 – 2x2 + 4x



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