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Kisachek [45]
3 years ago
12

What is the product of 5 - 3i and 4 - 5i?

Mathematics
2 answers:
max2010maxim [7]3 years ago
8 0
For this case we have the following complex numbers:
 5 - 3i
 4 - 5i
 Multiplying both numbers we have:
 (5 - 3i) * (4 - 5i)
 (5 * 4) + (5 * (- 5i)) + ((-3i) * 4) + ((-3i) * (- 5i))
 Rewriting we have:
 20 - 25i - 12i + 15i ^ 2
 20 - 37i + 15 (-1)
 20 - 37i - 15
 5 - 37i
 Answer:
 
the product of 5 - 3i and 4 - 5i is:
 
5 - 37i
Romashka-Z-Leto [24]3 years ago
4 0
The answer you are looking for is

5 - 37 i

Hope I helped!!
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