Question: Use Lagrange multipliers to find the maximum and minimum values of the function subject to the given constraint. (If an answer does not exist, enter

Use Lagrange multipliers to find the maximum and minimum values of the function subject to the given constraint. (If an answer does not exist, enter DNE.)

f(x,y) =4x²+4y²;xy= 1

Can you explain why there is no maximum value because of the constraint xy=1?

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