Răspuns :
25^(n+1)=125^4 --> (5^2)^(n+1)=(5^3)^4 --> 5^(2n+2)=5^12 --> 2n+2=12 --> 2n=10 --> n= 5;
S={5}
:D
S={5}
:D
25^n+1=125^4
5^2n+2=5^12 = >2n+2=12;2n=10;n=5
Deci n=5...acum verificam:
25^6=244.140.625
125^4=244.140.625
5^2n+2=5^12 = >2n+2=12;2n=10;n=5
Deci n=5...acum verificam:
25^6=244.140.625
125^4=244.140.625