Lilyy1k
17.10.2020 •
Mathematics
Find the product (-5+3i)(-5-3i)
(simplify and write in form a+bi)
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Ответ:
Step-by-step explanation:
use (a + b)(a - b) = a² - b²
we know i² = -1. Therefore
Ответ:
but < 1= <3 ⇒ < 2= <3