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9 votes
Solve u^2= -25, where u is a real number.

Simplify your answer as much as possible.
If there is more than one colution

Solve u^2= -25, where u is a real number. Simplify your answer as much as possible-example-1
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User Barclay
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1 Answer

10 votes

the answer is ±5i :)

answered
User SagittariusA
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