作者hothero (hothero)
看板trans_math
標題[積分] 兩題求旋轉體體積
時間Thu Jan 8 21:58:22 2009
1.The base of a solid is the region inside the circle x^2+y^2=4.Find the
volume of the solid if every cross section by a plane perpendicular to the
x-axis is a square.
2.x=√y + 1,y=4,x=0,y=0;about the x-axis
↑畫出來的範圍令我不知該如何下手>"<
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1F：推 matmoki:1.32/3 2.208pi/5122.117.188.214 01/08 22:36