作者ian60702 (pacific hero)
看板trans_math
标题[积分] 极座标的质心
时间Sat Jan 10 17:53:08 2009
Sketch the polar curve r=1+cosθ , and find the area , and the coordinates
of the centroid of the region enclosed by the curve.
请问这条心脏线的质心怎麽算?
烦请各位帮忙...
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