求导法则及常用导数公式
导数的求导法则
(Cu)′=Cu′
(u±v)′=u′±v′
(uv)′=u′v+uv′
(uvw)′=u′vw +uv′w+uvw′
(vu)′=v2u′v−uv′
常用导数公式
(C)′=0
(xn)′=nxn−1
(ax)=axlna (a>0,a≠1)
(lnx)′=x1
(logax)′=xlna1
(ex)′=ex
(sinx)′=cosx
(cosx)′==sinx
(shx)′=chx
(chx)′=shx
(shx=2ex−e−x , chx=2ex+e−x )