function:- f(x,y) = x^3+ (x^2)y + y^2 + 2y Thanks I have already worked out the 1st and 2nd partial derivatives. Help! Thanks
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Originally Posted by acu04385 function:- f(x,y) = x^3+ (x^2)y + y^2 + 2y Thanks I have already worked out the 1st and 2nd partial derivatives. Help! Thanks Solve and simultaneously. Then test the nature of the solutions. If you need more help, please show all your working and say where you get stuck.
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