Question

Resolva:  $\frac{6+3i}{-1+4i}$ (NÚMEROS COMPLEXOS!!!)

Answer 1

$\frac{6+3i}{-1+4i}*\frac{-1-4i}{-1-4i}=\frac{-6-24i-3i-12i^2}{17}=\frac{6-27i}{17}=\boxed{\frac{6}{17}-\frac{27}{17}i}$