If V is the volume of a cuboid of dimensions a, b, c and S is its surface area, then prove that1V=2S 1a+1b+1c

If V is the volume of a cuboid of dimensions a, b, c and S is its surf

1.	If V is the volume of a cuboid of dimensions a, b, c and S is its surface area, then prove that1V=2S 1a+1b+1c
Answer» If V is the volume of a cuboid of dimensions a, b, c and S is its surface area, then prove that $\frac{1}{V} = \frac{2}{S} (\frac{1}{a} + \frac{1}{b} + \frac{1}{c})$