1、设f(x)在x=0处可导,且lim(x→0)(xf(x)+e^(-2x)-1)/x^2=4 则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
设函数f x=e^2x-2x,lim f'(x)/e^x -1等于 ,x→0
设函数f(x)的导数为f‘(x),且f(x)=x²+2xf‘(1),则f‘(0)等于
设f(x)在x=0的某邻域内连续,且lim x→0 [xf(x)-ln(1+x)]/x^2=2,求f(0),并证明f`(
设函数f(x)在点x=0处可导,且f(x)=f(0)+2x+a(x),lim a(x)/x =0(x→ 0),则f‘(0
设f(x)有二阶导数,且f''(X)>0,lim(x趋于0)f(x)/x=1 ..证明:当x>0时,有f(x)>x
求解一道极限运算题lim{sin2x+xf(x)}/x^3=1 (x→0) lim{2cosx+f(x)}/x^2这类题
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)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)=∫(1,x^2) e^(-t)/t dt,求∫(0,1)xf(x)dt
设lim(x→0)[f(x)-3]/x^2=100,求lim(x→0)f(x)