Question

If a=3 and b=1, find the value of a 2 +2b 2 - 4

Answer 1

Answer:

answer in attachment

hope it will help u

Answer 2

a square+2bsquare- 4 where a =3; and b=1

3 square+2 (1 )square -4

9+2-4

11-4

7

hope it helps