Question

What are the two formulas of (a+b)^2??​

Answer 1

Answer:

$(a + b) {}^{2}$

$(a) {}^{2} + (b) {}^{2} + 2(a)(b)$

$a {}^{2} + b {}^{2} + 2ab$

Answer 2

Answer:

(a+b)²= a²+2ab+b²

(a+b)²= (a-b)²= 2 (a²+b²)