① C&39;= nx^(n-1) (n∈Q*);熟记1/X的导数

③ (sinx)&39; = - sinx

(e^x)&39; = (a^x)lna (ln为自然对数)

(Inx)&39; =x^(-1) /lna(a>0且a不等于1)

(x^1/2)&39;=-x^(-2)

导数的四则运算法则(和、差、积、商):

①(u±v)&39;±v&39;=u&39;

③(u/v)&39;v-uv')/ v^2