a)√324=√2²·3²·3²=2·3·3=18
b)√576=√2²·2²·2²·3²=2·2·2·3=24
c)√484=√2²·11²=2·11=22
d)∛216=∛2³·3³=2·3=6
e)∛-729=-∛729=-∛3³·3³=-3·3=-9
f)∛1728=∛2³·2³·3³=2·2·3=12
