Question

(a + b)2 + (a - b)2 factorise​

Answer 1

Answer:

answer

Step-by-step explanation:

wkt (a+b)2 = a2+ b2 + 2ab

" (a-b)2= a2+ b2 - 2ab

a2+ b2+ 2ab + (a2+ b2-2ab)

a2+b2+2ab + a2+ b2+ -2ab

2a2+ 2b2

take 2 as common

2 (a2+b2)