20道函数的一阶导数计算练习题及参考答案G8.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++-5 2.y=-x12+3x-4ex3.y=-2tan19x+3secx+21 4.y=-x52ln28x5.y=-54sin31xcos29x 6.y=-9excos37x7.y= 8.y=+16ln149.y=-x29lnxcos33x 10.s=11.y=66(9x+67)23 12.y=55cos(46+21x)13.y=-e-63x+23x 14.y=28ln(25-65x)15.y=-sin2x 16.y=1117.y=35tan4x16 18.y=arctan2ex19.y=(arcsin23x)24 20.y=53lncos41x参考答案：1.7x7-- 2.-12x11+ln3*3x-4ex 3.-38sec²19x+3secxtanx4.-52x51ln28x- 5.-1674cos31xcos29x+1566sin31xsin29x6.-9ex(cos37x-37sin37x)7.8.9.-29x28lnxcos33x-x29(cos33x-33lnxsin33x)10.11.66*23*9(9x+67)2212.55*21sin(46+21x)13.63e-63x+2314.28*15.-sin2x16. -11*17.35*4*16sec²4x1518.19.24(arcsin23x)23*20.-53tan41x。