Locate and classify all critical points for the given function.
-$f(x, y)=x^{3}-3 x y+y^{3}+5$
Determine only the number of critical points.
A) 3
B) 2
C) 4
D) None of the above is correct.

Question

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The Answer of Locate and classify all critical points for the given function.
-$f(x, y)=x^{3}-3 x y+y^{3}+5$
Determine only the number of critical points.
A) 3
B) 2
C) 4
D) None of the above is correct.

Locate and Classify All Critical Points for the Given Function f(x,y)=x3−3xy+y3+5f(x, y)=x^{3}-3 x y+y^{3}+5f(x,y)=x3−3xy+y3+5

Locate and Classify All Critical Points for the Given Function $f(x, y)=x^{3}-3 x y+y^{3}+5$