Question

find the remainder when x3-ax2+6x-a is divided by x-2

Answer 1

$\mathrm{x^3-ax^2+6x-a } \\\ \mathrm{divided~by~x-2 \rightarrow x=2} \\\\ \mathrm{Replace~x~by~2}~\\\ \mathrm{So,x^3-ax^2+6x-a} \\\ =2^3-a(2)^2+6(2)-a \\\ ~\mathrm{=8-4a+12-a} \\\ \mathrm{=20-5a}$

Answer 2

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