What is a simpler form of the radical expression?

1296x16y12−−−−−−−−−√4
(1 point)
Responses

6x8|y3|
6 x to the 8th power start absolute value y cubed end absolute value

36|x4|y8
36 start absolute value x to the 4th power end absolute value y to the 8th power

36|x4|y3
36 start absolute value x to the 4th power end absolute value y cubed

6x4|y3|