What is the critical f(x,y)=ysqrt(x)-y^2-5x+19y ?

The critical f(x,y)=ysqrt(x)-y^2-5x+19y is (1,10)

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critical f(x,y)=ysqrt(x)-y^2-5x+19y

critical points

f (x, y) = y x - y^{2} - 5 x + 19 y

(1, 10)

Solution steps

y x - y^{2} - 5 x + 19 y

Find where

\nabla f (x, y)

is equal to zero or undefined

(1, 10)

f (x) = \frac{1}{4 - x ^{2}}

f (x) = - x^{4} + 6 x^{2} - 4

t^{3} - 9 x^{2} + 27 x

5 - x + 1

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

What is the critical f(x,y)=ysqrt(x)-y^2-5x+19y ?
The critical f(x,y)=ysqrt(x)-y^2-5x+19y is (1,10)