A metal cube of edge 6 cm is melted and formed into three smaller cubes. if the edge of two smaller cubes are 5cm and 3cm find the edge of the third smaller cube.
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Let the edge of the other cube be 'a'.Given, 12^3 = b^3 + 8^3 + a^3 (volume remains the same) a^3 = 12^3 - 6^3 - 8^3 a^3 = 1728 - 216 - 512 a^3 = 1000 ..
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