Question

高等数学怎么写？

Answer 1

1)
z^2 = 3-x^2-y^2 = 1 at (1,1)
z'x = -F'x/F'z = -x/z = -1
z'y = -F'y/F'z = -y/z = -1
2)
F‘x = 2x = 2; F'y = 2y = 2, F'z = 2z = 2
切平面的法向量：<1, 1, 1>
切平面方程：x+y+z = 3
法线方程：(x-1) = (y-1) = (z-1)