What is the critical f(x)=4x^2-y^2+x+y-11 ?

The critical f(x)=4x^2-y^2+x+y-11 is (-1/8 , 1/2)

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critical f(x)=4x^2-y^2+x+y-11

critical points

f (x) = 4 x^{2} - y^{2} + x + y - 11

(- \frac{1}{8}, \frac{1}{2})

Solution steps

4 x^{2} - y^{2} + x + y - 11

Find where

\nabla f (x, y)

is equal to zero or undefined

(- \frac{1}{8}, \frac{1}{2})

f (x) = \frac{x ^{2} - 4 x + 10}{( x - 2 ) ^{2}}

f (x) = \frac{3 x ^{2} - 12 x + 5}{x ^{2} + 4}

- 2 x^{3} - 7

\frac{( 2 x ^{5} - 9 x ^{3} + 8 )}{- 4 x ^{2} + 6}

f (x) = x^{\frac{1}{7}} + 5

What is the critical f(x)=4x^2-y^2+x+y-11 ?
The critical f(x)=4x^2-y^2+x+y-11 is (-1/8 , 1/2)