Thursday, 19 April 2018

complex numbers - What is sqrti?

If i=√−1, is √i imaginary?



Is it used or considered often in mathematics? How is it notated?

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real analysis - How to find limhrightarrow0fracsin(ha)h

How to find limh→0sin(ha)h without lhopital rule? I know when I use lhopital I easy get $$ \lim_{h\rightarrow 0}...