If p(y) = 2y3 – 6y2 – 5y + 7, then find p(2). – InterviewSolution

InterviewSolution

1.

If p(y) = 2y3 – 6y2 – 5y + 7, then find p(2).

Answer»

p(y) = 2y³ – 6y² – 5y + 7

Put y = 2 in the given polynomial.

∴ p(2) = 2(2)³ – 6(2)² – 5(2) + 7

= 2 x 8 – 6 x 4 – 10 + 7

16 – 24 – 10 + 7

∴ P(2) = -11

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