设函数f(x)在x=a处的导数为f'(a),求limh→0 f^2(a)-f^2(a-h)/h 答案为2f(a)f'(a
设函数f(x)在x=a处的导数为f'(a),求limh→0 f^2(a)-f^2(a-h)/h 答案为2f(a)f'(a
若函数f(x)在x=a处的导数为A,求limh趋向于0f(a+4h)-f(a+5h)/h的值
若函数f(x)在x=a处的导数为A,求lim(h→0)[f(a+h)-f(a+2h)]/h的值,
设函数f(x)具有二阶导数,且f(x)二阶倒大于0,证明:f(a+h)+f(a-h)≥2f(a)
设f(x)在x=a处可导,f'(x)=b 求极限lim(h-0) f(a-h)-f(a+2h)/ h
h→0时lim[f(a+h)+f(a-h)-2f(a)]/h^2等于什么(设f(x)的导数在 x=a点从这邻近连续)
f(x)在x=a处可导, lim(h→0) [f(a+h)-f(a-2h)]/h=
设函数f(x)在x=a处可导,且lim[f(a+5h)]-f(a-5h)]/2h=1,则f'(a)=
设函数y=f(x)在点x处可导,a,b为常数,且a>b,则limh→∞ f(x+ah)-f(x-bh)/h =
若函数f(x)在点x=a处可导,则lim(h→0)[f(a+4h)-f(a-2h)]/3h=?
函数f(x)在x=a处可导,则Lim h→a [f(a+3h)-f(a-h)]/2h=?
设a为实数,函数f(x)=2x^2+(x-a)|x-a|求f(x)的最小值