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Eduardwww [97]
4 years ago
7

- square of -9 as a real number for i

Mathematics
1 answer:
STALIN [3.7K]4 years ago
7 0
Answer: 3i

Sq rt. of -9
Can break into sq rt of 9 and -1
-1 = i
Sq rt. of 9 is 3
3i
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