Question

Cine ştie şi ma poate ajuta, vă rog..

Answer 1

[tex]\displaystyle a)\sqrt{x-2}=3\\ \\ x-2=9\\ \\ x=11\\ \\ \\ b)5^x=\frac 1{125}\\ \\ 5^x=5^{-3}\\ \\ x=-3\\ \\ \\ c)\log_3{(x+1)}=\log_32,x\ \textgreater \ -1\\ \\ x+1=2\\ \\ x=1[/tex]