The area of the surface generated by revolving the curve
6xy = X^4 + 3 from x = 1 to x = 3 about the x-axis.
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數學積分面積問題
2014-07-11 12:25 am
回答 (2)
2014-07-11 4:04 am
2014-07-11 6:10 am
積分回去
y = x^4/6x + 3/6x
= x^3/6 + 1/2x
積分 y = 1/24x^4 + 1/4 x^2 x=1-3
將Ｘ帶進去相減即可
y = x^4/6x + 3/6x
= x^3/6 + 1/2x
積分 y = 1/24x^4 + 1/4 x^2 x=1-3
將Ｘ帶進去相減即可
參考: 自己
收錄日期: 2021-04-24 23:20:49
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20140710000015KK06937