求下列给定曲线族的包络。[tex=7.143x2.0]7z2osXjxWSB3FTqYWPJntkjBVHml7xzDP84Bgn/YFgw=[/tex]
举一反三
- 求下列给定曲线族的包络。[tex=7.714x1.286]NncAfgdwjL2MJn7OJWdCkbAgW6bW6IRAeM3FNemgnXE=[/tex]
- 求下列曲线族的包络.[tex=6.357x1.429]vz3hQgq//YX0suu2LWHKK9eC4mn2eTMRN2eXO8X99OY=[/tex]
- 求下列曲线族的包络:[tex=4.929x1.429]s6kdHXcDarHT/i/VF/Vb0Q==[/tex]
- 求下列曲线族(具有奇异点)的包络:[tex=5.0x1.5]A1Y5sXdHhgglm5xmogTJ1A==[/tex]
- 求下列曲线族(具有奇异点)的包络:[tex=9.571x1.214]1+TJCJGQuQa9OmI90mZ1baN1iQ25ePM8J8mnpKYLkdI=[/tex]