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Math Help - Area in 3D plane graph

  1. #1
    Senior Member DivideBy0's Avatar
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    Area in 3D plane graph

    Find the area described by
    x+y+z=L and 0<x,y,z<\frac{L}{2}
    Is this the SAME area as x+y+z = \frac{L}{2} and x,y,z>0?

    Thanks~!
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  2. #2
    Member
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    The first equation is off. x+y+z will be less than 3L/2 but not necessarily less than L/2
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