Question

if the polynomial x³-3x²+kx +42 divide by x+3​

Answer 1

Answer:

Here, P(2) = k

⇒ 23 + 3(2)2 – k(2) + 4 = k

⇒ 8 + 12 – 2k + 4 = k

⇒ 3k = 24

⇒ k = 8

(ii) Here,

⇒ p(-3)3 + 9(- 3)2 + 4(- 3) – 10 = 5

⇒ - 27p + 81 – 12 – 10 = 5

⇒ - 27p = - 54

⇒ p = 2

Step-by-step explanation:

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