Question 234740
*[Tex \LARGE \left(\sqrt{a+3}\right)^2=\|a+3\| \ \ \text{where} \ \ \ a\in\mathbb{R}]


or 


*[Tex \LARGE \left(\sqrt{a+3}\right)^2=a+3 \ \ \text{where} \ \ a \in\mathbb{R}, a+3\ge0]