Q. 125.0( 1 Vote )

One of the factor of x3 – 2x2 + 2x – 1 is :
A. x – 1

B. x + 1

C. x – 2

D. x + 2

Answer :

Given: f(x) = x3 – 2x2 + 2x – 1 = 0


By hit and trial method,


put x = 1


f(1) = 1 – 2 + 2 – 1 = 0


(x – 1) is a factor.

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