2. Find all relative extrema and saddle points of f(x, y) = x² + y⁴ – 4xy + 1.
詳解 (共 1 筆)
Chia Chung
詳解 #6387328
2. Find all relative extrema and saddle points of f(x, y) = x² + y⁴ – 4xy + 1.