Verified answer

Answer:

[tex](a + b) ^{2} = a^{2} + b ^{2} + 2ab[/tex]

[tex](a - b) ^{2} = {a}^{2} + {b}^{2} - 2ab[/tex]

Answer:

Hi mate

Step-by-step explanation:

(a+b)²= a²+b²+2ab

(a-b)²= a²+b²- 2ab

Hope it helps....