Question

daca 5 la puterea n = a calculati in functie de a numerele : 5 la puterea 2n ; 5 la puterea n +3 ; 5 la puterea 2n+1

Answer 1

a=5^n

5^(2n)=(5^n)^2=a^2

5^(n+3)=(5^n)(5^3)=125a

5^(2n+1)=5^(2n) x5=5(a^2)