(a) The three numbers are in the ratio 2:3:4 and sum of their cubes is 12375.Find the numbers.
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Step-by-step explanation:
(2x)^3+(3x)^3+(4x)^3 =12375
8x^3+ 27x^3 + 64 x^3 = 12375
(8+27/64) x^3 = 12375
99 x^3 =12375
x^3 = 12375 /99=125
x = 5
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