• 2022-06-15
    求曲线[tex=7.286x3.357]M/Yeox5bOq02SPK7XRukb/YX0MPWcgGcW8r0RGc/04vuK/OcGlgECGZLxqrP16q0yH5ItBds1dh2LvCt3EIwf1MI7W+tSpu2bzm9L56nlCZLCBDT5a1RBjqdGGtBEufh[/tex]在[tex=2.143x1.286]tB3xY19iQ1U20WlOQhphvg==[/tex]对应点处的切线方程和法线方程。