f(x)在点x处可导,且lim f(x-3h)-f(0)/h =1,则F'(x)=?h-0
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,
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
若函数f(x)在点x=a处可导,则lim(h→0)[f(a+4h)-f(a-2h)]/3h=?
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
设函数f(x)在x=x0处可导,则lim(h>0)[f(x0)-f(x0-2h)]/h
f(x)在x=a处可导, lim(h→0) [f(a+h)-f(a-2h)]/h=
设f(x)在x=0处可导,则lim(h趋于0)(f(3h)-f(-h))/2h=?
设f(x)在x=2处可导,f'(2)=2,则lim h→0 [f(2-3h)-f(2)]/h=?
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=a处可导,且lim[f(a+5h)]-f(a-5h)]/2h=1,则f'(a)=
设f(x)在点x=a处可导那么lim h趋近于0时 f(a+h)-f(a-h)/h 等于多少