three numbers are in the ratio 1:2:3.The sum of their cubes is 98784. Find the numbers.
Let the no.s be x
THEREFORE -
x3 +(2x)3+(3x)3=98784
=> x3+23x3+33x3=98784
=> x3+8x3+27x3=98784
=>36x3=98784
x3=98784/36
=> x3=2744
x=CUBE ROOT of 2744
THEREFORE x=14
HENCE,
FIRST NO. IS 14
Second no is 2x =28
Third no. is 3x=42
TO CHECK THE ANS FIND THE CUBES OF THESE NO.s AND THEN ADD IT
PLS THUMPS UP!!!!!!!!!!!!!!! :)
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