7. Find the absolute maximum and minimum values of f on the set D. f ( x, y) = x 2 + y 2 + x 2 y + 4

問題詳情

7. Find the absolute maximum and minimum values of f on the set D. f ( x, y) = x 2 + y 2 + x 2 y + 4, D = {( x, y) | x ≤ 1, y ≤ 1}