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Leo Bergnaum

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3y ago
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9y ago

The square root of -1 is represented by the letter i. This can be useful because it allows one to solve problems that would normally be unsolvable due to the presence of a negative radical at some point during the calculation. As long as the solution does not contain an i, it can be used in practical applications.

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Q: What is the physical meaning of -1 aka the square root of -1 Does it have any physical existence and if not then why is it used to describe some real physical quantities like some terms in electricit?
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