When kx3 + 9x2 + 4x – 10 is divided by (x + 1), the remainder is 2. Find the value of k.
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Step-by-step explanation:
p(x)= (x-1)(kx² + (9-3k)x - 23 + 9k) = 61-27k
now remainder equals = -22
so 61-27k = -22
⇒ 81 = 27k
hence k = 3
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