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aleksandrvk [35]
3 years ago
8

3

latex-formula"> + \sqrt{-9}
Simplify the expression. Write your answer as a complex number.
Mathematics
1 answer:
Umnica [9.8K]3 years ago
7 0

Answer:

Step-by-step explanation:

hello :

let: A = 3√16+√-9

16=4²   and  -9 = 9i² =(3i)²   .... ( i² = -1)

√16 =√4² = 4     and  √-9 = √9i²= √(3i)² ± 3i

A= 12  ± 3i

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