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Question

Divide the polynomial p(x) by the polynomial g(x) and find the quotient and remainder of the following.
p(x)=x4−3x2+4x+5, g(x)=x2+1−x.

A
x2+x+3,8
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B
x2x3,8
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C
x23,8
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D
x2+x3,8
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Solution

The correct option is D x2+x3,8
P(x)=x43x2+4x+5
g(x)=x2+1x

P(x)g(x)=x43x2+4x+5x2+1x

x2+x3x2x+1)¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯x43x2+4x+5x4x3+x2_________________________x34x2+4xx3x2+x_________________________3x2+3x+53x2+3x3__________________________8

Quotient =x2+x3
Remainder =8

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