fendiphillips21 fendiphillips21

12-11-2019
Mathematics

contestada

- square of -9 as a real number for i

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katherine2246 katherine2246

12-11-2019

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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