Suppose that f(x,y)=2-ay+y-la+ly with -1 a, y 1. 1. The critical point of f(x,...

 

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Suppose that f(x,y)=2²-ay+y-la+ly with -1 ≤ a, y ≤ 1. 1. The critical point of f(x, y) is at (a, b). Then a and ba 2. Absolute minimum of f(x, y) is and absolute maximum is Suppose that f(x,y)=2²-ay+y-la+ly with -1 ≤ a, y ≤ 1. 1. The critical point of f(x, y) is at (a, b). Then a and ba 2. Absolute minimum of f(x, y) is and absolute maximum is