[積分] 兩題求旋轉體體積

[hothero (hothero)]

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>"<

--
※ 發信站: 批踢踢實業坊(ptt.cc) 
◆ From: 140.119.205.182
推 matmoki:1.32/3  2.208pi/5