Find the value of polynomial p(x) =2+x+2x2-x3 q+x=2?
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Answer:
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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