Question

Simplificando 3i/i elevado 2 temos: a)3 b)-3 c)3i d)-3i e)i

Answer 1

Resposta:

$(\frac{3i}{i} )^{2}\\ \\ \frac{9.i^{2} }{i^{2} } \\ \\ \frac{9(-1)}{-1}\\ \\ 9$

Obs:

$\frac{3i}{i^{2} }\\ \\ \frac{3i}{-1}\\ \\ -3i$

bons estudos!