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Ask iit jee aieee pet cbse icse state board community Community Discussion Question: Systems of equations
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[Post New]15 May 2008 23:48:17 IST
    Subject: Systems of equations
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quantumphysicist91 (0)

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First problem:


x2 + 4y2 + 5 = 4z


x-y >or= z


 


Second problem:


x + (1/y) = 1


xy2 + (1/x2y) = 1 + (y/x)


 


How to solve the above two problems?
    
[Post New]16 May 2008 21:24:27 IST
    Subject: Systems of equations
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mukundmadhav (465)

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For the first one substitute the value of z in the first equation.. It'll represent an area on the x, y plane and the solid corresponding to in 3-d space..
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