sqrt(-1) is not i

askminjae shared this problem 1 year ago
Not a Problem

Comments (5)

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Standard calculations are made with real numbers. If you want to solve equations as complex numbers, you have to indicate it. So when typing CSolve(x^(2)+1=0) as input you'll get x = i and x = -i as output in CAS.

chris

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Try

sqrt(-1+0 ί )

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Sqrt(-1) does not exist in space of reals numbers R !

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I think that you have an old version

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