Question

what a+b ka hole square ​

Answer 1

$\red{ \huge\implies{ \mathtt{answer}}}$

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

Answer 2

Answer:

(a+b)² = (a+b)×(a+b)

(a+b)×(a+b) = a² + ab + ba + b²

(a+b)×(a+b) = a² + b² + 2ab

(a+b)² = a² + b² + 2ab