推 s23325522 :乘法律 07/11 23:04
→ FoggyCloud :.............? 07/11 23:04
→ s23325522 : 對F'(g(x))微乘上g'(x)在對g'(x)微乘上....... 07/11 23:05
推 s23325522 :兩個在相加 07/11 23:07
→ jacky7987 :[f(x)g(x)]'=f'(x)g(x)+f(x)g'(x) 慢慢帶入 07/11 23:10
→ FoggyCloud :.......... 07/11 23:17
推 jacky7987 :...意思是? 07/11 23:34
→ FoggyCloud :〒△〒 07/11 23:35
還是不懂...
※ 編輯: FoggyCloud 來自: 111.249.91.236 (07/11 23:40)
推 newversion :f''(g)g' g' + f'(g) g'' 07/12 19:07