what is a under root of -1

Asked by vivek kumar | 17th May, 2011, 12:00: AM

Expert Answer:

Under root of -1, is an imagenary number denoted by english letter i and read as 'iota'.

That is .it is also called imagenary unit and plays an important role in forming complex number.

Answered by  | 17th May, 2011, 09:06: AM

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