What is the extreme f(x)=(x+y)/(x^2-y^2) ?

The extreme f(x)=(x+y)/(x^2-y^2) is None

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extreme f(x)=(x+y)/(x^2-y^2)

extreme points

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

None

Solution steps

Find the critical points:

None

\frac{x + y}{x ^{2} - y ^{2}}

has no critical points, therefore there are no extreme points

None

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

f (x, y) = - (x - y)^{4}

f (x, y) = x^{2} y + x y^{2} + 3 x y

f (x, y) = 2 x^{2} + y^{2} + 6 x y + 10 x - 6 y + 5

y = 2^{x} \cdot I n (5)

What is the extreme f(x)=(x+y)/(x^2-y^2) ?
The extreme f(x)=(x+y)/(x^2-y^2) is None