What is the extreme f(x,y)=50-7x^2-2y^2 ?

The extreme f(x,y)=50-7x^2-2y^2 is Maximum(0,0)

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extreme f(x,y)=50-7x^2-2y^2

extreme points

f (x, y) = 50 - 7 x^{2} - 2 y^{2}

Maximum (0, 0)

Solution steps

Find the critical points:

(0, 0)

\frac{\partial ^{2} f}{\partial x ^{2}} = - 4

D (x, y) = 56

Check the sign of at each critical point

Check critical point

(0, 0) :

Maximum

Maximum (0, 0)

4^{x} + 1

f (x) = x + \frac{2 \cdot 1800}{x}

f (x) = 4 x^{3} - 4 x^{2} - 4 x + 5

f (x) = 4 x^{3} - 4 x^{2} - 4 x + 7

3.79254 E 84

What is the extreme f(x,y)=50-7x^2-2y^2 ?
The extreme f(x,y)=50-7x^2-2y^2 is Maximum(0,0)