设函数f(x)可导,F(x)=f(x)(1+sinx的绝对值),若使F(X)在x=0处可导,则必有
设f(x)可导,F(x)=f(x)(1+|sinx|),若F(X)在点x=0处可导,则必有(?)
设f(x)可导,且f(0)=0,证明F(X)=f(x)(1+/SINX/)在x=0处可导
设函数f(x)在(-∞,+∞)可导,且满足f(0)=1,f'(x)=f(x),证明f(x)=e^x
已知函数f(x)=sinx+cosx,F(x)=f'(x)[f(x)+f'(x)]-1,f'(x)是f(x)的导函数.(
设f(x)可导且f(x)=0,证明:F(X)=f(x)(1+/sinx/)在x=0点可导,并求F(0)的导数
设f(x)为分段函数,当x绝对值大于等于1,f(x)=x的平方;当x绝对值小于1,f(x)=x
设函数f(x)连续,lim((f(x)/x)-1/x-(sinx/x^2))=2,f(0)=?
设函数f(x)=sinx-cosx+x+1,0
设函数f(x)在x=1连续,且f(x)/(x-1)的极限存在,求证f(x)在x=1可导.
设f(x)满足f(-sinx)+3f(sinx)=4sinx乘以cosx,(绝对值x
设函数f(x)定义在(0,+∞)上,f(1)=0,导函数f'(x)=1/x,g(x)=f(x)+f'(x).
设函数f(x)定义域在(0,+∞)上,f(1)=0导函数f'(x)=1/x,g(x)=f(x)+f'(x)