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ƒ(x,y)= x3 + 3xy2 - 15x + y3 - 15y For this question i need to...

ƒ(x,y)= x3 + 3xy2 - 15x + y3 - 15y

For this question i need to calculate the critical points and all local minima, local maxima and saddle points. How should this be done?

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Expert Solution

I used the basic rule of derivative and remember the partial derivative rule, when use differentiate with respect to x, then y will consider as constant ; and when we differentiate w.r to . y then x will consider as constant. Thank you

milcah answered 2 years ago
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