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Question

Question 8
If p(x)=x24x+3, then evaluate p(2)p(1)+p(12).

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Solution

Given p(x)=x24x+3
Now, p(2)=(2)24×2+3=48+3=1
p(1)=(1)24(1)+3=1+4+3=8
And p(12)=(12)24×12+3
=142+3=18+124=54
p(2)p(1)+p(12)=18+54
=9+54=36+54=314

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