let s(1) be the set of all critical points of f1(x, y) = g1(x).g2(y) – McqOptions

MCQOPTIONS

1.	let s(1) be the set of all critical points of f1(x, y) = g1(x).g2(y) and s(2) be the set of critical points of f2(g1(x), g2(y)) Which of the following is the right relation between s(1) and s(2), given that minimum number of elements in s(1) is 2.
A.	s(1) = s(2)
B.	s(1) ≠ s(2)
C.	s(1) ∩ s(2) ≠ 0
D.	depends on the functions
Answer» C. s(1) ∩ s(2) ≠ 0

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