设函数f(x)在点x.处可导,则
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x1处可导,则
设函数f(x)在点x.处可导,试利用导数的定义确定limf(3x.-2x)-f(x.)/x-x.的极限
设函数f(x)在点x0处可导,则lim/x→0*f(x0+4h)-f(x0)/h 等于 选择
已知函数f(x)=e^x+ax^2+bx.设函数f(x)在点(t,f(t))(0
设函数f(x)在点x=a处可导,则函数|f(x)|在点x=a处不可导的充分条件是( )
设函数f(x)在点x处可导,试求h→0 lim f(x+h)-f(x-h)/2h的值
设函数f(x)在点x处可导,试求h→0 lim f(x-h)-f(x)/h的值
设函数f(x)在点x0处可导,试求下列极值的值
设函数f(x)在点x0处可导,且f'(x0)=2,则lim(h→0)[f(x0-h/2)-f(x0)]/h等于多少
设函数f(x) 在点x=0 处可导,且 f(0)=0, limx→0 f(-2x)/x=2,则f‘(0) = -1 ..