20道函数的一阶导数计算练习题及参考答案G2.doc

微积分：函数一阶导数计算练习题计算下列函数的一阶导数:1.y=-x7+--28 2.y=-x19+3x+12ex3.y=-15tan2x-11secx-45 4.y=x34ln9x5.y=-68sin5xcos36x 6.y=54excos13x7.y= 8.y=-+41ln289.y=x56lnxcos65x 10.s=11.y=32(67x-28)46 12.y=-7cos(39-59x)13.y=-e-50x+63x 14.y=10ln(65-2x40)15.y=-sin40x 16.y=-2017.y=-25tan68x50 18.y=arctan22ex19.y=(arcsin13x)50 20.y=36lncos15x参考答案：1.-7x6-+ 2.-19x18+ln3*3x+12ex 3.-30sec²2x-11secxtanx4.34x33ln9x+ 5.-340cos5xcos36x+2448sin5xsin36x6.54ex(cos13x-13sin13x)7.8.-9.56x55lnxcos65x+x56(cos65x-65lnxsin65x)10.11.32*46*67(67x-28)4512.-7*59sin(39-59x)13.50e-50x+6314.10*15.-40cos39x16.-20*17.-25*68*50sec²68x4918.19.50(arcsin13x)49*20.-36tan15x。