Question

punctul e),determinati numărul n
e)10^2n+1:5^2n+1

Answer 1

10^2n+1 :5^2n+1=8^9
=(10:5)^2n+1=2^3^9=
=2^2n+1=2^27=
=>2n+1=27\-1
=2n=26\:2
=>n=13