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Popular >

extreme f(x)=4xy

Solution

extreme points

f (x) = 4 x y

Solution

Saddle (0, 0)

Solution steps

Find the critical points:

(0, 0)

\frac{\partial ^{2} f}{\partial x ^{2}} = 0

D (x, y) = - 16

Check the sign of at each critical point

Check critical point

(0, 0) :

Saddle

Saddle (0, 0)

Popular Examples

(1+x^2)dy=(y-cot^{-1}(x))dx

(1 + x^{2}) d y = (y - cot^{- 1} (x)) d x

integral of 2/(1+x)

\int \frac{2}{1 + x} d x

derivative of y=sqrt(x^3)derivative of

y = x^{3}

integral from-1 to 1 of (y^2-2)-(e^y)

\int_{- 1}^{1} (y^{2} - 2) - (e^{y}) d y

derivative of x^3+2y

\frac{d}{d x} (x^{3} + 2 y)

Frequently Asked Questions (FAQ)

What is the extreme f(x)=4xy ?
The extreme f(x)=4xy is Saddle(0,0)