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 MATH HELP!!
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Posted on 02-21-05 9:24 PM     Reply [Subscribe]
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i dont know if sajha has some mathematician, tiani try haneko, (Hooguru and Kiwiland, jasto manche haru), i have posted this on many forums, i hope i get some help:

ok, here is the problem, i was wondering, if a equation of degree 3 has three 3 diff. real root answers, how do i solve the equation by using complex number ...i have tried searching the web, but i have not found any good explanation..any help is appreciated.

i know a analoglous formula for a 3rd degree which i copied off from web page, ( tried to solve it, but failed) ....

cb = Cuberoot sqt = Square root

x=cb(-B/2 + sqt(B?/4+A?/27)) - cb(B/2 + sqt(B?/4+A?/27))-b/(3a)

iwhere a b c and d (respectively) and you find A and B using following equation:

B=d/a+2b?/(27a?)-bc/(3a?)

A=c/a-b?/(3a?)

after you solve the equation you can find two values by using quad. formula...

thax in advance. again any help is appreciated.
 
Posted on 02-21-05 9:28 PM     Reply [Subscribe]
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where a b c and d (respectively) = where a b c and d (respectively), is given in the equation
 
Posted on 02-22-05 9:13 PM     Reply [Subscribe]
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no one :( ....
 
Posted on 02-23-05 2:15 AM     Reply [Subscribe]
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what are those "question marks"??
 


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