SOLUTION: what is the sum of 5i, -9-7i, and 4?
Algebra.Com
Question 796306: what is the sum of 5i, -9-7i, and 4?
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
what is the sum of 5i, -9-7i, and 4?
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Add the real parts, -9 & 4
Add the i parts, 5i - 7i
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