Question

G={x|x €N,5^x=125sau2^x=1}

Answer 1

G={ 5^x=125 sau 2^x=1}
Ridicarea la putere este o inmultire repetata.
5^x=125
x=3
5^3=5x5x5=25x5=125

2^x=1
x=0

G={0,3}