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Question

Using the remainder theorem, find the remainder, when p(x) is divided by g(x), where
(px)=3x46x28x2,g(x)=x2

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Solution

(px)=3x46x28x2g(x)=x2

By remainder theorem, when p(x) is divided by ( x − 2), then the remainder = p(3).
Putting x = 2 in p(x), we get

p(2)=3(2)46(2)28(2)2=4824162=6

∴ Remainder = 6

Thus, the remainder when p(x) is divided by g(x) is 6.


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