Question

11. If x + 2 is a factor of x3 – 2ax2 + 16, then value of a is
(a) 3
(b) 1
(c) 4
(d) 2

Pls answer it ​

Answer 1

Answer:

the answer will be

x+2=0

x=-2

(-2)³-2(a)(-2)+16

-8+4a+16=0

4a+8=0

a=-2 OK friend

Answer 2

Answer:

let try

Step-by-step explanation:

12(a)

13.(b)

14(a)

15(a)

16(d)

17(a)

18(.a)

19.(d)

20(d)

hope it helps you