Question

For what value of m , is the polynomial x³-2mx²+16 divisible bye (x+2)​

Answer 1

Answer:

Step-by-step explanation:

p(x)=x^3-2mx^2+16

x+2=0

x= -2

putting value of x in p(x) and p(x)=0 as p(x) should be divisible by x+2

(-2)^3-2m(-2)^2+16=0

(-8)-4m+16=0

-4m= -16+8

-4m= -8

4m=8

m=8/4

m=2

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