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the sum of the squares of three numbers which are in the ratio 2:3:4 is 725. what are the numbers.
the sum of the squares of three numbers which are in the ratio 2:3:4 is 725. what are the numbers.
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(2x)² +(3x)² +(4x)² = 725
4x² +9x² +16x² =725
29x² = 725
x² = 25
x =5
∴the no.s are 10, 15 and 20