f(x, y) = sin(x).cos(y) Which of the following is a critical point – McqOptions

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1.	f(x, y) = sin(x).cos(y) Which of the following is a critical point
A.	(<sup>‚âà√≠‚Äö√Ñ‚Ä†</sup>‚Äö√Ñ√∂‚àö√ñ‚àö√´<sub>4</sub>, <sup>‚âà√≠‚Äö√Ñ‚Ä†</sup>‚Äö√Ñ√∂‚àö√ñ‚àö√´<sub>4</sub>)
B.	(- <sup>‚âà√≠‚Äö√Ñ‚Ä†</sup>‚Äö√Ñ√∂‚àö√ñ‚àö√´<sub>4</sub>, <sup>‚âà√≠‚Äö√Ñ‚Ä†</sup>‚Äö√Ñ√∂‚àö√ñ‚àö√´<sub>4</sub>)
C.	(0, <sup>‚âà√≠‚Äö√Ñ‚Ä†</sup>‚Äö√Ñ√∂‚àö√ñ‚àö√´<sub>2</sub>)
D.	(0, 0)
Answer» D. (0, 0)

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