Q. 2 C

# For each of the following polynomial, find andp(x) = x4 – 2x2 - x

Answer :

To find: p (1)

Put x = 1 in the given polynomial

p (1) = (1)4 – 2 × (1)2 – 1

= 1 – 2 – 1

p (1) = -2

To find: p (0)

Put x = 0 in the given polynomial

p (0) = 0 – 0 – 1

p (0) = -1

To find: p (-2)

Put x = -2 in the given polynomial

p (-2) = (-2)4 – 2 × (-2)2 – 1

= 16 – 2 × 4 – 1

= 16 -8 -1

= 7

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