Question

x+2 is a factor of x^3 -2ax^2+16​

Answer 1

Answer:

a = 3

Step-by-step explanation:

let $p(x)=x^{3}-2ax^2+16$

since (x-2) is a factor;

p(2)=0

=> $2^{3}-2a(2)^2+16=0$

=>8 - 8a +16 =0

=> -8a = -24

=> a = 3