Question

Determinati nr narural n stiind ca 5^n+1=125
dau coroana

Answer 1

$5^{n+1} = 125 \Rightarrow 5^{n+1} = 5^{3}\Rightarrow n+1 = 3 \Rightarrow n = 2$

Answer 2

$5^{n+1}=125 \\ \\ 5^{n+1}=5^{3} \\ \\ n+1=3 \\ \\ n=3-1 \\ \\ n=2$