Question 475512
write x^1/9 times y^1/6 times z^1/3 as a single radical expression 
----
Least common multiple of 9,6,3 is 18
----
x^(2/18)*y^(3/18)*z^(6/18
----
= [x^2*y^3*z^6]^(1/18)
=========
Cheers,
Stan H.