Question

a + b ka whole square ​

Answer 1

➡(a+b)²= a²+b²+2ab.

↪Thats alll.

Answer 2

$\mathfrak\color{palevioletred}{\underline{\underline{Answer:-}}}$

$\sf{\red{({a+b})^{2}={a}^{2} + {b}^{2}+2ab }}$