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benhou
benhou is offline
#13
Jan22-10, 07:58 PM
P: 124
Quote Quote by Bob S View Post
-y/2+y/2-x/2+x/2ρ[x2+y2] dx dy =2∫ox/2ρyx2dx +2∫oy/2ρxy2dy
wait, how did the dy become y and dx become x? This was the derivation of the rectangular prism formula.