Question: Use a computer algebra system to find the first and second partial derivatives of the function. Determine whether there exist values of x and y

Use a computer algebra system to find the first and second partial derivatives of the function. Determine whether there exist values of x and y such that ƒ_x(x, y) = 0 and ƒ_y(x, y) = 0 simultaneously.

ƒ(x, y) = x sec y

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