设函数f(x)在x=1处可导,且f'(1)=2,则[lim(h→0)f(1-h)-f(1)]/h等于
设函数f(x)在x=1处可导,且f'(1)=2,则[lim(h→0)f(1-h)-f(1)]/h等于
设f(x)在x=2处可导,且f'(2)=1,则lim h→0 [ f(2+h)-f(2-h)]/h等于多少,
设函数f(x)在x=a处可导,且lim[f(a+5h)]-f(a-5h)]/2h=1,则f'(a)=
设函数f(x)在点x0处可导,且f'(x0)=2,则lim(h→0)[f(x0-h/2)-f(x0)]/h等于多少
已知函数f(x)在x0可导,且lim(h→0)h/[f(x0-2h)-f(x0)]=1/4,则f‘(x0)=?
设 函数 f(x)在x=2处可导,且f(2)的导数=1求: lim f(2+h)—f(2—h)/2h h→0
设函数f(x)在x=x0处可导,则lim(h>0)[f(x0)-f(x0-2h)]/h
设f(x)为可导函数,且lim(h→0) f(3)-f(3+h)/2h=5,则f'(3)等于?
设f'(x) = 3^(1/2) ,求 lim(h→0) [f(x+mh) - f(x - nh)] / h ,(m ,
设函数f(x)在[A,B]上连续,证明lim(h→0) 1/h*∫(x,a)[f(t+h)-f(t)]dt=f(x)-f
若函数f(x)在点x=a处可导,则lim(h→0)[(f(x)-f(x+3h))/h等于(),求过程
设f(x)在x=2处可导,f'(2)=2,则lim h→0 [f(2-3h)-f(2)]/h=?