Question

If x + 2 is a factor of x³ – 2ax² + 16, then value of a is A)3 B)1 C)4 D)2

Answer 1

Answer:

1

Step-by-step explanation:

-8-2a×4+16=0

-8-2a×4=-16

-2a×4=-16+8

-2a=-8/4

a= -2/-2

a=1