导数加减乘除公式

如题所述

1、u(x),v(x)可导:
(u±v)′=u′±v′
(uv)′=u′v+uv′
(u/v)=(u′v-uv′)/v2(v≠0)
2、常见导数公式:
(c)`=0(c为常数)
(x^a)`=ax^(a-1)(a∈R)
(a^x)`=a^(x)lna(a≠1且a>0)
(e^x)`=e^x
(_a(x))`=1/(xlna)(a≠1且a>0)
(lnx)`=1/x
(sinx)`=cosx
(cosx)`=-sinx
(tanx)`=1/cos^2x=sec^2x
(cotx)`=-1/sin^2x=-csc^2x
(secx)`=sectanx
(cscx)`=-csccotx
(arcsinx)`=1/((1-x^2)^1/2)
(arccosx)`=-1/((1-x^2)^1/2)
(arctanx)`=1/(1+x^2)1
(arccotx)`=-1/(1+x^2)
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