Question

if the poly nomials x3+ax2+5andx3-2x2+a are divided by (x+2) leave the same remainder, find the value of a​

Answer 1

Answer:

p(x)=x³+ax²+5. g(x)=x³-2x²+a

s(x)=x+2

x+2=0

x=-2

p(-2)=(-2)³+aX(-2)²+5. g(-2)=(-2)³-2X(-2)²+a

-8+4a+5. -8-8+a

-3+4a=-16+a

-3+4a-a=-16

3a=-16+3

3a=-13

a=-13/3

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