claudiapineda860
21.09.2021 •
Mathematics
What is the product of (2 + 3i) and (4 – 3i)?
OA. 8-91
B. 8 - 31
O C. 17 – 182
D. 17 + 6
Solved
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Ответ:
17 + 6i
Step-by-step explanation:
(2 + 3i)(4 - 3i) ← expand product using FOIL
= 8 - 6I + 12I - 9I² ( note i² = - 1 )
= 8 + 6i - 9(- 1)
= 8 + 6i + 9
= 17 + 6i
Ответ:
You should add a picture of the graph.
Step-by-step explanation:
It would make it a lot easier for me to answer. Trust me i am always right.