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nirvana1990
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[SOLVED] Simultaneous equations
Solve: x^2+y^2=10 and 1/x+1/y=4/3
er... I've tred substituting y=mx into eliminate y
I tried squaring the2nd equation to give: 1/x^2+1/y^2+2/xy=16/9
Then I substituted y^2=10-x^2 into give: 1/x^2+(1/10-x^2)+2/xy=16/9
Homework Statement
Solve: x^2+y^2=10 and 1/x+1/y=4/3
Homework Equations
er... I've tred substituting y=mx into eliminate y
The Attempt at a Solution
I tried squaring the2nd equation to give: 1/x^2+1/y^2+2/xy=16/9
Then I substituted y^2=10-x^2 into give: 1/x^2+(1/10-x^2)+2/xy=16/9