Question: Find all points where the given function has any local extrema. Give the values of any local extrema. Identify any saddle points. f(x,y) = -

 Find all points where the given function has any local extrema.

Find all points where the given function has any local extrema. Give the values of any local extrema. Identify any saddle points. f(x,y) = - 3xy-8x2-2y2-119x -12y +5 Find the partial derivative fx fx = - 16x - 3y - 119 Find the partial derivative fy fy = - 3x -4y-12 Find the second-order partial derivative fxx- fxx = -16 Find the second-order partial derivative fyy- = Check

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