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Ask iit jee aieee pet cbse icse state board experts Expert Question: complex number
Forum Index -> Algebra like the article? email it to a friend.  
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[Post New]2 Jan 2007 06:54:19 IST
    Subject: complex number
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sumeet (12)

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If , , are the cube roots of p(p< 0), then for any x,y,z                                  (x+y+z) / ( x+y+z) is equal to
    
[Post New]2 Jan 2007 10:38:22 IST
    Subject: Re:complex number
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malay (134)

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let -p=k
3p
=3-k
=(3-1)*(3 k)
let real 3k=a
3p
=(3-1)*a
3-1 are -1, - and - *
so =-a
=-a*
=-a*2

I hope it helps you
Imagination is more important than knowledge
-------Albert Einsetein
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[Post New]3 Jan 2007 02:04:28 IST
    Subject: Re:complex number
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krishna.gopal (2053)

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As Malay told
=-a
=-a
=-a2
 
Therefore (x+y+z)/(x+y+z)=(-a(x+y+2z))/(-a(x+y+2z)) =1/
(Taking 1=3)
Krishna Gopal Singh
B.Tech Chemical Engg
IIT Delhi 2002
Currently doing PhD from IIT Delhi
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