Respuesta :
The simplification of the complex number (5i)³ is; -125i
How to simplify complex numbers?
We are given the complex number; (5i)³
Expanding the given complex number gives;
(5i)³ = 5³ * i³
⇒ 125i * i²
From complex number multiplication, we know that i² = -1. Thus;
125i * i² = -125i
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