Q. 9 A3.7( 15 Votes )

By using factor theorem in the following examples, determine whether q(x) is a factor p(x) or not.

p(x) = x3 – x2 – x – 1, q(x) = x - 1

Answer :

The coefficient form of p(x) is:

p(x) = 1.x3 – 1.x2 – 1.x – 1

(2, -1, 0, -45)

Since the last term is not term is not zero, q(x) is not the factor of p(x).

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