Question

three no are in the ratio 1:2:3 the sum of their cube is 98784 find the no

Answer 1

Answer:

Step-by-step explanation:

the numbers are in the ratio 1:2:3, let the numbers be x,2x and 3x. So numbers are 14, 28 and 42

THUS THIS HELP YOU

14^3+28^3+42^3=2744+21952+74088

98784

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Answer 2

Answer:

The Numbers are 14, 28 and 42

Step-by-step explanation:

Let the Numbers= x, 2x and 3x

${x}^{3} + {2x}^{3} + {3x}^{3} = 98784$

${x}^{3} + {8x}^{3} + {27x}^{3} = 98784$

${36x}^{3} = 98784$

${x}^{3} = 98784 \div 36$

${x}^{3} = 2744$

$x = \sqrt[3]{2744}$

$x = 14$

so, X= 14 , 2x= 14×2= 28,

3x= 14×3=42

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