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Mathematics 9 Online
OpenStudy (anonymous):

root(-4) = ??

OpenStudy (angela210793):

at real no.s doesn't exist but it can be =+-2i at complex no.s :P:P:P

OpenStudy (anonymous):

lol... its \[\infty\] then?

OpenStudy (angela210793):

Where did u get infinite for God's sake?

OpenStudy (angela210793):

Hmmm...i don't think u've learned complex no.s...u'll learn after a few yrs :p

OpenStudy (anonymous):

USED IT AS UNDEFINED LOL... like 0/0 = \[\infty\]I

OpenStudy (anonymous):

Nope. Only in projected real line, not in real number.

OpenStudy (angela210793):

http://www.wolframalpha.com/input/?i=sqr%28-4%29

OpenStudy (anonymous):

no need many years for that angela :D

OpenStudy (anonymous):

ah i remember that i saw that "i" in somewhere :D

OpenStudy (angela210793):

yea ok..u can learn those when ur on vacation :P:P:P:P That's wht u do after all :P:P:P:P:P:P:P

OpenStudy (angela210793):

\[i=\sqrt{-1}\]

OpenStudy (anonymous):

no solution for \[\sqrt{-4}\]

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