djwattam
25.11.2019 •
Mathematics
Realize the following operations and express the result in a+bi:
( - 4 + \sqrt{ - 16} ))
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Ответ:
-4(i+9)
Step-by-step explanation:
(4+5i)(-4+sqrt(-16))
(4+5i)(-4+4i)
-16-20i+16i+20i^2
-16-4i+20(-1)
-16-4i-20
-4i-16-20
-4i-36
-4(i+9)
Ответ: