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Question

Using the remainder theorem, find the remainder, when p(x) is divided by g(x), where
(px)=x36x2+2x4,g(x)=132x

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Solution

p(x)=x36x2+2x4g(x)=132x132x=03x2=1

By remainder theorem, when p(x) is divided by ( 3x+2), then the remainder = p(32)3x=2x=23.

Putting x = 23 in p(x), we get

p(23)=(23)36(23)2+2(23)4=827249+434=8277227+362710827=872+3610827=13627

∴ Remainder = 13627

Thus, the remainder when p(x) is divided by g(x) is 13627.


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