i.i=1

Asked by  | 19th Sep, 2008, 08:59: PM

Expert Answer:

you can not write -1 * -1 = (-1)(-1) = 1 =1

because square root of negative numbers is not defined.

thats -1 = i which is a imaginary no.

Answered by  | 19th Sep, 2008, 10:49: PM

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