2019 Mock AMC 10B Problems/Problem 3
After trying each option we have
A)
which isn't rational as 2018 is not divisible by 3
3^(2019/2)
C)
which equals
which is irrational
(2pi)^2
4pi^2
E)
which is rational
\boxed{\bold{E}}$$ (Error compiling LaTeX. Unknown error_msg)(3-\sqrt{2})(3+\sqrt{2})$