√192 = √(64 x 3)
http://wiki.answers.com/Q/What_is_the_root_of_192_...

1) No radicands have perfect square factors other than 1. 2) No radicands contain fractions. 3) No radicals appear in the denominator of a fraction. These three conditions must be
http://answers.yahoo.com/question/index?qid=201304...

If any number is not a perfect square number or not a perfect
http://www.chacha.com/question/whatisradical50...

1. Factor out any perfect squares or cubes in the radical. If you are working with sqrt(30) there are none, but if you are working with the cube root of 54, you can rewrite it in
http://www.ehow.com/how_8467034_putradicalexpres...
