Use the Lagrange multiplier method to determine the maximum and minimum values of f(x,y) = 4x2 + 10y? subject to x? + y? = 4. (A) Determine the Lagrange multiplier A = (B) The minimum value for f(x,y) subject to x +y = 4 is (C) The maximum value for f(x,y) subject to x +y = 4 is

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