If #z in CC# then what is #sqrt(z^2)#?
Unless I'm missing something:
#sqrt(z^2) = z " (primary root) " or +-z " (primary and secpndary roots)"#
I'm not sure why specifying
Any value (in
should be a square root of
The two possible
I am not well versed in complex analysis.
I would take the principal square root of a complex number
So for radicand
Given a choice, I think I would prefer
Which definition of