lim(x→0) f(X)/X=2 已知f(x)在x=0处连续 求f(0)
求lim(x→0)[(xf'(x))/(2f(x))]^(1/x),其中f(x)在x=0点某邻域内有三阶连续导数,f(0
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
设f(x)在x=0处连续,且lim (f(x)-1)/x=-1,x→0.,求f(0)
已知函数f(x)连续,且lim(x->0)[f(x)/x]=2,则曲线y=f(x)应对x=0处切线方程为?
已知lim(x→0) f(x)/(1-cosx) =2 求lim(x→0) [1+f(x)]^½
已知f(x)在x=0处连续,且lim(x趋向0)[f(x)/(e^(x/2))-1]=3,求f(0)+f~(0)
若已知函数f(x)在x=0处是连续的,lim x趋向0 f(x)+f(-x)/x存在,能否判断出f(x)和f(-x)的极
设F(x)在x=0处连续,已知当x趋近于0时,lim(1+f(x)/x)^1/sinx=e^2,求当x趋近于0时,lim
若f(x)在x=0上连续且lim(x趋于0)f(x)/x=2,求f'(0)=多少?
f(x)在x=0处连续,且x→0时,lim (f(2x)-f(x))/x = A(常数).求证 f(x)在x=0处可导,
设f(x)在x=0处连续,且lim(x趋于0)f(x)/x存在,证明,f(x)在x=0处可导