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Mama L [17]
3 years ago
8

I=\sqrt{-1}i= −1 ​ i, equals, square root of, minus, 1, end square root, what is the sum (7+3i)+(-8+9i)(7+3i)+(−8+9i)left parent

hesis, 7, plus, 3, i, right parenthesis, plus, left parenthesis, minus, 8, plus, 9, i, right parenthesis?
Mathematics
1 answer:
nata0808 [166]3 years ago
4 0

We can simply add the expression to simplify the expression. So,

(7+3i)+(-8+9i) =7 +3i -8+9i Get rid of paranthesis.

=(7-8)+(3i+9i) Group the like terms.

= -1 + 12i

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