`````````````````````````````````````````` IFy FzI IFz FxI IFx FyI
Mo处的切向量T=(a,b,c)= (IGy GzI ,IGz GxI ,IGx GyI)
切线方程:(x-x0)/a=(y-y0)/b=(z-z0)/c
你给的答案是化成了参数方程了
法平面:a(x-x0)+b(y-y0)+c(z-z0)=0
`````````````````````````````````````````` IFy FzI IFz FxI IFx FyI
Mo处的切向量T=(a,b,c)= (IGy GzI ,IGz GxI ,IGx GyI)
切线方程:(x-x0)/a=(y-y0)/b=(z-z0)/c
你给的答案是化成了参数方程了
法平面:a(x-x0)+b(y-y0)+c(z-z0)=0