已知x=t2+t及y=√(3t2+2t-4)。
(a)試以t表dy/dx。
(b)試求dy/dx在x=2處的值。
a-maths~
2008-05-29 4:40 am
回答 (1)
2008-05-29 5:57 am
✔ 最佳答案
As follows:圖片參考：http://i117.photobucket.com/albums/o61/billy_hywung/May08/Crazydiff22.jpg
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2008-05-29 22:43:27 補充：
Sorry for some mistake in the last step:
dy/dx should be 5/6 or 4/3.
參考: My Maths knowledge
收錄日期: 2021-04-23 20:34:23
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https://hk.answers.yahoo.com/question/index?qid=20080528000051KK02597