Answer:
sqrt2/sqrt3; 1/sqrt3; sqrt5/2
Step-by-step explanation:
to solve this equation you can basically put paranthesis squared around all of the options
(sqrt2/sqrt3)^2 becomes simply 2/3
(1/sqrt3)^2 becomes simply 1/3
(pi/3)^2 becomes a decimal that is not rational
[(sqrt5)/2]^2 becomes simply 5/4
the first, second, anad last are all rational
