Question

find value of the polynomial p(x) = x² - x + 1 at x= 4​

Answer 1

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Answer 2

Given: P(x)=x 2 −2x+5

Forx=−1, P(−1)=(−1) 2 −2(−1)+5=1+2+5=8

For x=5, P(5)=(5) 2 −2(5)+5=25−10+5=20

Hence P(−1)=8 and P(5)=20

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