设f(x)在x=0的某区域内二阶可导,且lim(x→0)(sin3x/x^3+f(x)/x^2)=0,
设f(x)在x=0的某区域内二阶可导,且lim(x→0)(sin3x/x^3+f(x)/x^2)=0,
f(x)在x=0的某邻域内二阶可导,且lim (x->0) (sin3x/x^3 + f(x)/x^2) =0,求lim
已知f(x)在x=0处可导,且f(0)=0,f'(0)=2,则lim(x→0)[f(sin3x)]/x=____.
1、设函数z=f(x,y)在某区域内有二阶连续偏导数,且f(x,2x)=x,f(x,2x)对x的二阶偏导=x^2,f(x
设f(x)在定义域内存在导数,且lim(△x→0) f(2+△x)-f(2)/5△x等于
设函数z=f(x,y)在某区域内有二阶连续偏导数,且f(x,2x)=x,f'x(x,2x)=x^2,f''xy(x,2x
设函数f(x)在定义域内纯在的导数,则lim【x→0】 f(1+3△x)-f(1)/△x等于 (guo cheng)
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)
设lim(x→0)[f(x)-3]/x^2=100,求lim(x→0)f(x)
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
极限Lim(x->0)(sin3x)/x=
设f(x)在定义域内是减函数,且f(x)>0,在其定义域内判断下列函数的单调性 1 y=f(x)+a 2 y=a-f(x