Respuesta :
[tex]\bf i^3\implies i\cdot i\cdot i\implies i^2\cdot i\implies (\sqrt{-1})^2\cdot \sqrt{-1}\implies (-1)\cdot \sqrt{-1}\implies -i[/tex]
[tex]\bf i^3\implies i\cdot i\cdot i\implies i^2\cdot i\implies (\sqrt{-1})^2\cdot \sqrt{-1}\implies (-1)\cdot \sqrt{-1}\implies -i[/tex]