[積分]

[midarmyman (midarmyman)]

找出z=x^2+y^2和z=4圍成的立體 對Z軸的moment of inertia
each point density is proportional to the distance between the point and z軸
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◆ From: 140.117.198.78
※ 編輯: midarmyman      來自: 140.117.198.78       (06/02 00:38)