What is the extreme f(x,y)=x^2-6xy+9y^2+3x-10 ?

The extreme f(x,y)=x^2-6xy+9y^2+3x-10 is None

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extreme f(x,y)=x^2-6xy+9y^2+3x-10

extreme points

f (x, y) = x^{2} - 6 x y + 9 y^{2} + 3 x - 10

None

Solution steps

Find the critical points:

None

x^{2} - 6 x y + 9 y^{2} + 3 x - 10

has no critical points, therefore there are no extreme points

None

f (x) = - 2 x^{4} + 8 x^{3} - 30

3 x^{2} - x^{3}

y = x^{4} - 2 x^{3} - x^{2} - 4 x + 3

f (x) = x^{3} ln (x), x > 0

f (x) = e^{x^{3} - x}

What is the extreme f(x,y)=x^2-6xy+9y^2+3x-10 ?
The extreme f(x,y)=x^2-6xy+9y^2+3x-10 is None