Question

for what value of m is x³-2mx²+16 divisible by x+2. (pls give the write answers)

Answer 1

Answer:

let P(x)=x³-2mx²+16

given polynomial is divisible by X + 2 reminder is equal to p(-2)=0

Now,. (-2)³-2m(-2)²+16=0

- 8-8m+16=0

-8m+8=0

8m=8

m=1