Question

Scrieti mai simplu:
a)$\sqrt{(3,7)^{2} }$
b) $\sqrt{ (-23)^{2} }$

Answer 1

[tex] \sqrt{3,7^2} =|3,7|=3,7\\ \sqrt{(-23)^2} =|-23|=23\\ Obs.Am\ folosit\ \sqrt{x^2} =|x|.[/tex]