Question

x la a2 = cu 49 care este raspunsul va rog

Answer 1

                    [tex]Solutia~I:x=numar~pozitiv\\ ~~~~~~~~~~~~~~x^2=49\\ ~~~~~~~~~~~~~~x= \sqrt{49} \\ ~~~~~~~~~~~~~~x=7\\\\ Solutia~II:x=numar~negativ\\ ~~~~~~x^2=49\\ ~~~~~~x= -\sqrt{49} \\ ~~~~~~x=-7\\\\ Solutiile:x={7,-7}[/tex]