點樣計到=2
謝謝
更新1:
請問你說的power rule是什麼?
微分 (2x+3 )' =2
回答 (2)
2011-05-05 2:05 pm
✔ 最佳答案
This should be dy/dx, not du/dxBecause dy/dx of (2x + 3) is 2, according to the power rule
So when you substitute x=2 into the dy/dx equation,
it will give you 2.
2011-05-05 2:25 pm
if your equation is u=2x+3, then you can use du/dx
收錄日期: 2021-04-23 20:06:20
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20110505000051KK00171