椭圆{3x2+2y2=12,z=0绕y轴旋转的旋转面在点M(0,√3,√2)处指向外侧的单位法向量为____.

椭圆{3x2+2y2=12,
z=0
绕y轴旋转的旋转面在点M(0,√3,√2)处指向外侧的单位法向量为____.
【正确答案】:{0,√(2/5),√(3/5)}