27pegean
27pegean
07-05-2017
Mathematics
contestada
how do I calculate the abs of value of (2-3i)^2
Respuesta :
Аноним
Аноним
07-05-2017
(2-3i)(2-3i)
Foil this out.
4-12i+9i²
= 4-12i-9
Keep in mind i² = -1.
= -5-12i
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