1)
http://img526.imageshack.us/img526/7091/dsc00569u.jpg
http://img517.imageshack.us/img517/5653/dsc00572y.jpg
ans: ai)y=x/2 aii)0.25m/s
bi) z=3x/2 bii) 0.75m/s away from the lamppost
2)
http://img268.imageshack.us/img268/6221/dsc00573hur.jpg
a)8m/h b)512pie m^3/h c)32006pie/3 m^3
3)
http://img195.imageshack.us/img195/5052/dsc00575ni.jpg
Ist question: a)0.3226 b)29.6739 c)1.7752/h
2 nd question: 10root3 b)root3/40 cm /min
pls show clear steps.thx a lot!
F.4 app. of differentiation
2010-06-01 2:28 am
回答 (1)
2010-06-01 4:08 am
✔ 最佳答案
Please see the following:圖片參考：http://img185.imageshack.us/img185/598/55114079.png
圖片參考：http://img171.imageshack.us/img171/1072/75389649.png
2010-05-31 20:08:22 補充：
http://img185.imageshack.us/img185/598/55114079.png
http://img171.imageshack.us/img171/1072/75389649.png
收錄日期: 2021-04-23 23:21:47
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20100531000051KK01081