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Question

Use remainder theorem to find remainder when p(x) is divided by q(x) in the following questions:p(x)=x4+x3+x25x+1,q(x)=x+1

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Solution

Given, p(x)=x4+x3+x25x+1 and g(x)=x+1
q(x) x+1=0 x=1
The remainder when p(x) is divided by g(x) is p(1) ...(By Remainder Theorem)
Thus,
p(1)=(1)4+(1)3+(1)25(1)+1
p(1)=11+1+5+1
p(1)=7

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