lim(h→0)[(x+h)^3-x^3]/h
高数求救 设f '(x)存在,h→0时,lim (f(x+2h)-f(x-3h))/h
若函数f(x)在点x=a处可导,则lim(h→0)[f(a+4h)-f(a-2h)]/3h=?
lim h趋向0 (x+h)^3—x^3/h (即分母是h,分子是(x+h)^3) 求极限 请写下过程,
设f'(x) = 3^(1/2) ,求 lim(h→0) [f(x+mh) - f(x - nh)] / h ,(m ,
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
f(x)在x=a处可导, lim(h→0) [f(a+h)-f(a-2h)]/h=
lim[tan(π/3+h)-tan(π/3-h)]/h h→0求极限
其请问 lim(h→0) [ f(x0+3h)-f(x0-2h) ] / h
设f(x)在x=2处可导,f'(2)=2,则lim h→0 [f(2-3h)-f(2)]/h=?
函数f(x)在x=a处可导,则Lim h→a [f(a+3h)-f(a-h)]/2h=?
设f(x)在x=0处可导,则lim(h趋于0)(f(3h)-f(-h))/2h=?
f(x)在x_0处可导,求lim h→0 f(x_0+h)-f(x_0-h)/5h 的值