- #1

chwala

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## Homework Statement

solve ## x^2/y + y^2/x=9, 1/x+1/y=3/4##[/B]

## Homework Equations

## The Attempt at a Solution

##9x^3+9y^3=81xy##

## 4x+4y-3xy=0##

##x^3+y^3-9xy=0, 12x+12y-9xy=0##

##x^3-12x+y^3-12y=0## [/B]