Question

Q9Find the value of remainder ,when x³– ax² + 6x – a is divided by x + a. ​

Answer 1

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• Find the value of remainder ,when x³– ax² + 6x – a is divided by x - a.

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$\sf{\red{\boxed{\bold{Solution}}}}$

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$\begin{gathered}\sf \Large\qquad\qquad x^2 + 6\\ \begin{array}{c|c} \cline{2 - 2}\sf x - a&\sf x^3 - ax^2 + 6x - a\\&\sf x^3 - ax^2\ \ \ \ \ \ \ \\ & \sf (-) \ \ (+)\ \ \ \ \ \\ \cline{2-2}& \sf 6x - a\ \ \\ &\sf 6x - 6a\\& (-) \ \ (+) \\ \cline{2-2} & \sf5a \\ \cline{2-2} \end{array}\\\\ Quotient = x^2 + 6\\\\Remainder = 5a\end{gathered}$

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• We get reminder as 5a

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PS :- check this answer from brainly website for better view