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Question

If P(7)=0 then a factor of P(x) is _________.

A
x1
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B
x+1
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C
x+7
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D
x7
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Solution

The correct option is C x+7
For a polynomial P(x), if P(a)=0

then (xa) is a factor of P(x).

Here, P(7)=0

So, x(7) is a factor of P(x)

x+7 is a factor of P(x).

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