Question

(a+b)^2=...?
(a-b)^2=....?
a^2+b^2=..?​

Answer 1

Step-by-step explanation:

(a+b)^2= a^2+2ab + b^2

(a-b)^2= a^2 - 2ab +b^2

a^2+b^2= (a + b)(a - b).