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By definition, what is the number i equal to?
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By definition, what is the number i equal to?

User Alejandro De Castro
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Unit Imaginary Number

The square root of minus one √(−1) is the "unit" Imaginary Number, the equivalent of 1 for Real Numbers. In mathematics the symbol for √(−1) is i for imaginary.
User Dharmvir Tiwari
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