问答题

设f(x)在(-∞,+∞)上连续,且(a>0),
   求

A.174.24.96:6088/Latex/latex.action?latex=Rih4KT1cZnJhY3sxfXsyYX1caW50IF97eC1hfV57eCthfWYodClkdA%3D%3D'
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