What is the extreme f(x)=xy+(50)/x+(20)/x ?

The extreme f(x)=xy+(50)/x+(20)/x is None

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extreme f(x)=xy+(50)/x+(20)/x

extreme points

f (x) = x y + \frac{50}{x} + \frac{20}{x}

None

Solution steps

Find the critical points:

None

x y + \frac{50}{x} + \frac{20}{x}

has no critical points, therefore there are no extreme points

None

f (x) = 5 x^{2} - 4 x + 4

f (x) = - 2 x^{2} - 3 x + 1

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

\frac{1}{x ^{3} - 2 x}

f (x, y) = 4 y^{3} x^{2} - 12 y^{2} - 36 y + 2

What is the extreme f(x)=xy+(50)/x+(20)/x ?
The extreme f(x)=xy+(50)/x+(20)/x is None