. Let f(x, y) = x² (y-1) x²+(y-1)² Determine the existence of limit lim f(x, y) (x,y)-(0,1) ху y = 1-1 Let f(x, y) = e²x²-3y². Show that the critical point of f(x, y) is a sa

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A: We need to show that the function does not have limit at point (0,0)

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