sqrt(i)+sqrt(-i).
o There are at least 3 distinct methods
Sorry, Larry. ±i√2 is cannot be a solution, because when sqrt(i)+sqrt(-i) is squared we get 2, not -2. This has nothing to do with "principal roots argument". No matter which way you land on that argument, ±i√2 is not a solution.
blackjack
<a href="http://c.casalemedia.com/c?s=51816&f=3&id=0" target="_blank"><img src="http://as.casalemedia.com/s?s=51816&u=http://perplexus.info&f=3&id=0&if=0" width="120" height="600" border="0"></a>
flooble's webmaster puzzle
re: 2nd method
