Question

Aflati a ,daca 

3√3=a^2 √3/4

Answer 1

a²= 4*3√3/√3

a²=4*3
a²=12

√a²=√12
|a|=2√3  ⇒a∈{-2√3; 2√3}

Answer 2

$3\sqrt3=\dfrac{a^2\sqrt3}{4}\Rightarrow a^2=\dfrac{4\cdot3\sqrt3}{\sqrt3}\Rightarrow a^2=12\Rightarrow a_{1;2}=\pm\sqrt{12}=\pm2\sqrt3$