What is the extreme f(x,y)=x^2\times y^3-10y+15xy^2 ?

The extreme f(x,y)=x^2\times y^3-10y+15xy^2 is None

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extreme f(x,y)=x^2\times y^3-10y+15xy^2

extreme points

f (x, y) = x^{2} \cdot y^{3} - 10 y + 15 x y^{2}

None

Solution steps

Find the critical points:

None

x^{2} \cdot y^{3} - 10 y + 15 x y^{2}

has no critical points, therefore there are no extreme points

None

f (x) = \frac{1}{x + 2}, - 4 \leq x \leq 1

f (x, y) = e^{y} (y^{2} - x^{2})

f (x, y) = x^{2} + y^{2} - 2 x - 2 y + 2

f (x) = 2 x^{3} - 6 x^{2} - 18 x + 7

f (x, y) = 2 x - y + 2

What is the extreme f(x,y)=x^2\times y^3-10y+15xy^2 ?
The extreme f(x,y)=x^2\times y^3-10y+15xy^2 is None