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Question

Check whether x+1 is a factor of x4+3x3+3x2+x+1.

A
True
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B
False
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Solution

The correct option is B False
The zero of x+1 is 1
Let p(x)=x4+3x3+3x2+x+1
Then, p(1)=(1)4+3(1)3+3(1)2+(1)+1
=13+31+1=1
Since, p(1)0
Therefore, by Factor theorem, x+1 is not a factor of x4+3x3+3x2+x+1

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