maths --plse help me..

The area of 3 adjacent faces of a cuboid are x,y,z.. if the volume is v , prove that [v]^2=xyz.

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asked by faizel
  1. if the edges are a,b,c

    x = ab
    y = bc
    z = ac

    v = abc, so

    v^2 = (abc)^2
    = a^2 b^2 c^2
    = ab * bc * ac
    = xyz

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    posted by Steve
  2. thank you

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    posted by faizel

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