1. 求由下列方程所確定的隱函數(shù)的導(dǎo)數(shù).(1)x2+y2-2x+xy-9=0; (2) x+y+xy=ex+y;(3) y+xlny=1; (4) y=1+xey.2. 用對(duì)數(shù)求導(dǎo)法求下列函數(shù)的導(dǎo)數(shù).(1)y=cosxx; (2) ;(3)yx=xy; (4);3.求橢圓(x2)/4+(y2)/3=1在點(diǎn)(1,3/2)處的切線方程.4.求曲線在t=π/4處的切線方程.5. 求下列參 (共 205 字) [閱讀本文] >>