推 flylily:ln(x^2)^2 =2ln(x^2)*(2X) 118.166.139.15 07/14 19:05
→ flylily:ln(2x)^2 =2ln(2x)*2 118.166.139.15 07/14 19:06
→ wayne45678:請問ln不用做CHAIN-RULE嗎? 61.229.33.123 07/14 19:34
推 MoonMate:依情況而定,你考什麼系阿? 220.139.77.154 07/14 19:45
推 seetheblack:2是常數耶 要提到前面 220.131.98.116 07/14 19:53
→ wayne45678:考經濟 61.229.33.123 07/14 20:13
推 ice23:{ln(x^2)^2}'={ln(x^4)}'=4x^3/x^4=4/x 59.114.14.34 07/16 16:07
→ ice23:{ln(2x)^2}'={2ln(2x)}' or{ln(4x^2)}' 59.114.14.34 07/16 16:09
→ ice23:=2/x 59.114.14.34 07/16 16:11