二、 u = u ( x, y ) = x 3 − 3 xy 2 ， v = v( x, y ) = 3 x 2 y − y 3( x, y ) = (2, 1) , (u , v) = (2, 11
問題詳情
二、 u = u ( x, y ) = x 3 − 3 xy 2 ， v = v( x, y ) = 3 x 2 y − y 3 ( x, y ) = (2, 1) , (u , v) = (2, 11) , x = x(u, v) , y = y (u , v) is the inverse function at the point (u , v) = (2, 11)
