作者sphereheart (sphere)
看板trans_math
標題[考古]請問 台聯大94證明第一題
時間Sat May 19 16:45:55 2007
Let f:R→R be twice differentible. If f'' is nowhere vanishing,
then f has at most two distinct real roots.
請問各位高手這題要怎麼證阿?
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