beccahaileyowzryu
06.10.2021 •
Mathematics
(-11-10i)^2
I just need to know the steps to get to the answer.
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Ответ:
21 + 220i
Step-by-step explanation:
reminder that i² = - 1
(- 11 - 10i)²
= (- 11 - 10i)(- 11 - 10i) ← expand using FOIL
= 121 + 110I + 110I + 100I²
= 121 + 220I + 100(- 1)
= 121 + 220i - 100
= 21 + 220i
Ответ:
Graph the inequality by finding the boundary line, then shading the appropriate area.
y
≤
3
x
−
2
Step-by-step explanation: