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Question

For a polynomial p(x) =2x4 – 3x3 + 2x2 + 2x - 1 what is the remainder when it’s divided by x+4?


A

p(4)

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B

p(-2)

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C

p(2)

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D

p(-4)

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Solution

The correct option is D

p(-4)


The remainder theorem tells us that if a polynomial p(x) is divided by x-a then the remainder is equal to p(a).In this case p(x) is divided by x+4=x-(-4).

So the remainder is p (-4).


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