SOLUTION: Solve using square root property z^2=-4

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Question 371388: Solve using square root property
z^2=-4
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!


Hi,

solve using the square root property 

z^2=-4

sqrt%28z%5E2%29+=+sqrt%28-4%29

z = +- 2i

z =  2i

z = -2i