Question

a) 3√-27=

b)3√-216=

c)3√-64=

d)3√-125=

Answer 1

letra A fatora o 27 =3*3
3
$3 \sqrt{27 } \: = \: 3 \sqrt{} {3}^{2} \times 3 \: = 3.3 \: \sqrt{3 \: \: =} 9 \sqrt{3}$