Speed solving
Number Theory
Level
1
Let a two digit integer be of the form \(9^{\color{green}x} \) for some integer \({\color{green}x}\).
If we reverse the digits of the two digit number, it will be of the form \(9{\color{green}x}\).
What is the value of \(\color{green}x\)?
This problem is a part of the set Brain Games.
by
Brilliant Member