Question

For what value of m is x³ - 2mx² + 16 is divisible by x+2​

Answer 1

Let p(x) = x3 -2mx2 +16

Since, p(x) is divisible by (x+2), then remainder = 0

P(-2) = 0

⇒ (-2)3 -2m(-2)2 + 16=0

⇒ -8-8m+16=0

⇒ 8 = 8 m

m = 1

Hence, the value of m is 1 .

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Answer 2

Answer:

the value of m is 1

Step-by-step explanation:

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