Question

3. The critical points of the function f(x, y) = x2 + y² + 2xy – 10 are
(a) (0, 0), (1, 1), (1, - 1)
) all the points on the line x + y = 0
(c) all the points on the line x = 0
(d) none of these​

Answer 1

answer

Step-by-step explanation:

xy2=0

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Answer 2

the function f(x,y)=X2+y2+2xy-10 are answer (B) is correct