Find the value of A & B if (x-1) and (X+2) both are factors of x³+(3a

1.	Find the value of A & B if (x-1) and (X+2) both are factors of x³+(3a+1) x²+bx-18
Answer» ONG>Answer: Expression x3 + AX2 + bx – 12. (x – 2) is a factor i.e., at x = 2 the remainder will be zero. ⇒ (2) 3 + a(2)2 + b(2) – 12 = 0. ⇒ 8 + 4A + 2B – 12 = 0. Step-by-step explanation: Hii iam request to please FOLLOW me please. this is the write answer

Find the value of A & B if (x-1) and (X+2) both are factors of x³+(3a+1) x²+bx-18

Answer» ONG>Answer:

Expression x3 + AX2 + bx – 12. (x – 2) is a factor i.e., at x = 2 the remainder will be zero. ⇒ (2) 3 + a(2)2 + b(2) – 12 = 0. ⇒ 8 + 4A + 2B – 12 = 0.

Step-by-step explanation:

Hii iam request to please FOLLOW me please.

this is the write answer

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Find the value of A & B if (x-1) and (X+2) both are factors of x³+(3a+1) x²+bx-18

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