Question

If the remainder on division of x3 + 2x2 + kx + 3 by x – 3 is 21, find the quotient and the value of k. Hence, find the zeroes of the cubic polynomial x3 + 2x2 + kx – 18

Answer 1

The value of know is -9
and the zeroes of cubic polynomial are -2, 3, -3

Answer 2

value of question is 9
zeroes of the cube polynomial are -2,3,-3
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