设函数t(x)在点X=6处连续,且f(6)= -5 则 lim f(x)=?x->0
设函数f(x)满足lim(x趋向于无穷大)f(x)=f(x0),则函数f(x)在点x0处:间断?连续?单调?
设函数f(x)在x=2处连续,且lim(x→2)f(x)/(x-2)(x→2)=3,求f'(2).
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
若函数f(x)在x=0处连续,且lim{x趋近0}f(x)/x存在,试证f(x)在x=0处可导
设函数f(x)在区间[a,b]上连续,则lim(x->a)∫(a->x)f(t)dt=____,lim(x->a)1/(
设f(x)具有连续导数,且满足f(x)=x+∫(上x下0)tf'(x-t)dt求lim(x->-∞)f(x)
设函数f(x)有二阶连续导数,且(x->0)lim[f(x)-a]/[e^x^2-1]=0,(x->0)lim[f ‘’
设函数f(x)有二姐连续导数,且(x->0)lim[f(x)-a]/[e^x^2-1]=0,(x->0)lim[f ‘’
设f(x)在x=0处连续,且lim(x趋于0)f(x)/x^2=1 ,证明函数f(x)在x=0处可导且取得极小值.
设函数f(x)在x=2处连续,且lim(x)/(x-2)(x→2)=2,求f'(2).
设函数f(x)满足条件f(x+y)=f(x)+f(y),且f(x)在x=0处连续,证明f(x)在所有的点x0处连续
函数f(x)在[1,+∞)上具有连续导数,且lim(x→+∞)f'(x)=0,则...