已知f'(0)=5,且f(0)=0,求lim(x→0)f(x)/x
已知f'(0)=5,且f(0)=0,求lim(x→0)f(x)/x
已知lim(x→0) [f(0)-f(2x)]/x=1,求f'(0).
已知f(x)=ln(1+x) 求lim(x→0) f(x)/x
这样的导数题咋做.【1】已知函数f[x]可导,且lim[x-0][f[1+2x]-f[1-x]]/2x=-1..求f'[
已知lim(x→0) f(x)/(1-cosx) =2 求lim(x→0) [1+f(x)]^½
已知lim(x→0)[f(3x)/x]=3 求lim(x→0) [2x/f(5x)]
已知 lim(x->+∞)f'(x)=0 证明:lim(x->+∞)f(x)=常数
已知lim(x→0)(sinx+xf(x))/x^3=1/3,求f(0),f'(0),f"(0)
已知lim{△x→0}[(f(1-△x)-f(1)]/△x=2,求f'(1),
已知f(x)在x=0处可导,且f(0)=0,f'(0)=2,则lim(x→0)[f(sin3x)]/x=____.
设f(x)在x=0的某一邻域内二阶可导,且lim(x-->0)f(x)/x=0,f''(0)=2.求lim(x-->0)
f(x)为多项式且lim(x->∞)(f(x)-4x^3)/x^2=1,lim(x->0)f(x)/x=5,求F(X)的