Question

p= $\sqrt{3^2+4^2} + \sqrt{(3- \sqrt{12} } )^2 - |-2 \sqrt{3} |$  aratati ca este natural

Answer 1

[tex]\sqrt{3^2+4^2} +\sqrt{(3-\sqrt{12})^2} -|-2\sqrt3|=\sqrt{25} +|3-\sqrt{12}| -2\sqrt3= \\\;\\ =\ 5 -3+\sqrt{12} -\sqrt{12} =5-3=2 \in\mathbb{N}[/tex]

.