. 1、 求下列函数的导数 (1)y3x2, 则y_______________ 6x 2x24x11x2(2)y, 则y_______________ 222(xx1)1xx(3)yxnx, 则y_______________ n(x(4)ynn11) xm21m112x2 ,则y_______________ mxmxxxxx3x2(5)yxlog3x ,则y_______________ 3xlog3x ln32(6)yecosx ,则y_______________ e(cosxsinx) 5432(7)y(x1)(3x1)(1x) ,则y_________18x5x12x12x2x3 23xxxsec2xtanxtanx(8)y ,则y_______________ x2x(9)y1cosxxsinxx ,则y_______________ 2(1cosx)1cosx(10)y21lnx ,则y_______________ x(1lnx)21lnx2x(sinxcosx)(x21)(cosxsinx)1x2(11)y ,则y___________ (sinxcosx)2sinxcosx 2、求下列复合函数的导数 (1)yx1x ,则y_______________ 212x21x22 223(2)y(x1) ,则y_______________ 6x(x1) '. . (1x2)2(12xx2)1x23) ,则y_______________ 3(3)y( (1x)41x(4)yln(lnx) ,则y_______________ 1 xlnx(5)yln(sinx) ,则y_______________ cotx (6)ylg(xx1) ,则y_______________ 22x11 x2x1ln1011x2(7)yln(x1x2) ,则y_______________ (8)yln11x1x ,则y_______________ 21x1xx1x3(9)y(sinxcosx) ,则y_______________ 3cos2x(sinxcosx) (10)ycos4x ,则y_______________ 6cos4xsin8x (11)ysin1x2 ,则y_______________ 3x1x2cos1x2 222(12)y(sinx) ,则y_______________ 6xsinxcosx 23(13)yex1 ,则y_______________ ex1 sinx(14)y2(15) e xsinx ,则y_______________ ln22cosx sin2x,则y_______________ ex(2cos2xsin2x) '. 本文来源:https://www.wddqw.com/doc/e641d48b68eae009581b6bd97f1922791788be4b.html