Rewrite:
The - 1/2 means put everything in the denominator and take the square root....
1/(3xy^3)
NVM....see EP's answer....
Thanks, CPhill! Can you check if my answer is correct here: https://web2.0calc.com/questions/rewrite-each-expression-as-a-radical-in-simplest
-- 7H3_5H4D0W
CORRECT-A-MUNDO !!!!
GOOD JOB!!!