Question 1204850
Find :

1)

 {{{(-4)^(6/4)}}}

= {{{(-4)^(3/2)}}}

={{{sqrt((-4)^3)}}}

={{{sqrt(((-1)*4)^3)}}}


={{{sqrt((-1)(4)^2*4))}}}

={{{-4i*2}}}

={{{-8i}}}



2) 

{{{root(6,(-8)^2)}}}

={{{root(6,((-2)^3)^2)}}}

={{{root(6,(-2)^6)}}}

={{{root(6,64)}}}

={{{2}}}