Question: Find all the local maxima, local minima, and saddle points of the function.f left parenthesis x comma y right parenthesis equals 2 x squared plus
Find all the local maxima, local minima, and saddle points of the function.f left parenthesis x comma y right parenthesis equals 2 x squared plus 3 xy plus 4 y squared plus 6 x minus 7 yf(x,y)=2x2+3xy+4y2+6x7y
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