作者ilovecurl (ilovecurl)
看板trans_math
标题[考古] 政大应数94年微积分二
时间Fri Jun 30 00:42:41 2006
4.show that the area of the surface generated by revolving the curve y=x^2
0<=x<=1 is given by 2
(π/4)∫(u^2)(1+u^2)^1/2 du
0
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