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Question

Using the remainder theorem, find the remainder, when p(x) is divided by g(x), where
(px)=6x3+13x2+3,g(x)=3x+2

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Solution

p(x)=6x3+13x2+3g(x)=3x+2

By remainder theorem, when p(x) is divided by ( 3x+2), then the remainder = p(32).

Putting x = 32 in p(x), we get

p(32)=6(32)3+13(32)2+3=169+529+3=169+529+279=16+52+279=639=7

∴ Remainder = 7

Thus, the remainder when p(x) is divided by g(x) is 7.


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