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29.10.2020 •
Mathematics
What is the square root of -1?
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Ответ:
9514 1404 393
i
Step-by-step explanation:
The square root of -1 is the number that, when multiplied by itself, gives the product -1. It does not have a numerical value in the same way that the root of a positive number has a numerical value. It can only be represented by a symbol of some sort: √(-1) or i.
i² = -1
In some fields, the letter j is used instead (because i already stands for something different).
i = √(-1)
j = √(-1) . . . in electrical engineering (at least)
Ответ:
HE
Step-by-step explanation: