设f(x)为可导函数,且满足lim[f(1)+f(1-2x)]/2x=-1,x趋于0时,求曲线y=f(x)在点(1,f(1))处的斜率设f(x)为可导函数,且满足lim[f(1)-f(1-2x)]/2x=-1,x趋于0时,求曲线y=f(x)在点(1,f(1))处的斜率

问题描述:

设f(x)为可导函数,且满足lim[f(1)+f(1-2x)]/2x=-1,x趋于0时,求曲线y=f(x)在点(1,f(1))处的斜率
设f(x)为可导函数,且满足lim[f(1)-f(1-2x)]/2x=-1,x趋于0时,求曲线y=f(x)在点(1,f(1))处的斜率