[微積] 請問一題關於反曲點
題目是
Show that the function g(x)= x|x| has an inflection point at (0﹒0)
but g"(0) does not exist.
是用微分去比較嗎? 寫不太出來...
--
※ 發信站: 批踢踢實業坊(ptt.cc)
◆ From: 114.45.46.137
推
10/25 21:02, , 1F
10/25 21:02, 1F
→
10/25 21:04, , 2F
10/25 21:04, 2F