Question

x³+2x²-kx+4 is divided by x-2,the remainder is k.Find the value of constant k.​

Answer 1

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Here,   P(2) = k

⇒ 23 + 3(2)2 – k(2) + 4 = k

⇒ 8 + 12 – 2k + 4 = k

⇒ 3k = 24

⇒  k = 8