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Ask iit jee aieee pet cbse icse state board community Community Discussion Question: solve this equation.... plzzzz...
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[Post New]10 Oct 2008 13:35:02 IST
    Subject: solve this equation.... plzzzz...
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coolvignesh (2079)

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kindly explain too..
size doesnt matter, brains do...
vignesh
    

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[Post New]10 Oct 2008 13:52:10 IST
    Subject: Re:solve this equation.... plzzzz...
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rudra.panda (2831)

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Let x=a2 and y=b2


So now a+b2 =7 and a2+b=11 so b=11-a2


And a+(11-a2)2=7


a^4 - 22a^2 + a +114=0


And a=3 is its solution. So x=9 and y=4
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[Post New]10 Oct 2008 13:54:50 IST
    Subject: Re:solve this equation.... plzzzz...
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hsbhatt (6235)

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I think you further have to prove that there are no other solutions
Time wounds all heels
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[Post New]10 Oct 2008 14:08:06 IST
    Subject: solve this equation.... plzzzz...
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rudra.panda (2831)

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OK this one has already been posted. Searched it : http://www.goiit.com/posts/list/algebra-open-challenge-to-all-community-members-and-experts-73653.htm

Se hsbhatt sir's solution. It is perfect.
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[Post New]27 Dec 2008 13:04:56 IST
    Subject: solve this equation.... plzzzz...
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kachhara (106)

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hsbhatt sir's ans is absolutely correct
gr8 answer!!!!!!!!!
I am the BEST.
Rest are GOOD!!!
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