Question

Simplify the following
(i) (a + b)2 + (a - b)2
(iii) (6a + 5b + 4c)2-(
Evaluate the followin​

Answer 1

(i) (a+b)2+(a-b)2

(a×2+b×2)+(a×2-b×2)

2a+2b+2a-2b

4a^2