已知f(x)在x=a处可导,(1)且f`(a)=b,则(1)limh→0 [f(a+3h)-f(a-h)]/2h
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处可导,且lim[f(a+5h)]-f(a-5h)]/2h=1,则f'(a)=
f(x)在x=a处可导, lim(h→0) [f(a+h)-f(a-2h)]/h=
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=?
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
函数f(x)在x=a处可导,则Lim h→a [f(a+3h)-f(a-h)]/2h=?
若函数f(x)在点x=a处可导,则lim(h→0)[(f(x)-f(x+3h))/h等于(),求过程
1.函数f(x)在x=a处可导 ,则lim h->a [f(a+3h)-f(a-h)]/2h=?
设函数f(x)在x=x0处可导,则limh→0f(x0+h)−f(x0)h( )
函数f(x)在x=a处可导,则lim h→0 (f(a+3h)-f(a-h))÷2h=?
设f∈C[A,B],a,b∈(A,B),证明:lim1\h ∫ (f(x+h)-f(x))dx=f(b)-f(a) (h