Question

Determinati nr nat x care verifica relatiile :. A) 3^x=27 B)4^x^+2=64 va rog repede

Answer 1

a)$3^x=27=\ \textgreater \ 3^x=3^3= \ \textgreater \ x=3 ~b)4^{x+2}=64 \ \textless \ =\ \textgreater \ 4^{x+2}=4^3$
x+2=3=>x=1