A function of two variables f(x, y) has a stationary point with Hessian matrix -2 H= = (-1²²). 2 Select the option that describes this stationary point. Select one: The stationary point is a saddle point. The stationary point is a local minimum. O The stationary point is a local maximum. O The nature of the stationary point cannot be determined from the Hessian matrix.

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