Question

Simplify the following question:-
3√4*3√16

Answer 1

3 root4*3 root16
=3*3*root(4*16)
=9*root64
=9*8(here we can take 8 or -8)
=72
ii) if take -8
value should be 9*(-8)=-72

Answer 2

3* 2 * 3* 4 = 72.....
Is this the answer. .