CBSE Class 10 Answered
Sum of three numbers in A.P is 21 and product is 231.FInd all the numbers.
Asked by dhairya | 17 Jun, 2009, 03:12: PM
Expert Answer
let the numbers be
a-d,a,a+d
their sum is 21
So
(a-d)+a+(a+d)=21
So,
3a=21
a=7
product = 231
So,
(7-d) *(7)*(7+d)=231
solving we will get the value of d as plus or minus 4.
Answered by | 18 Jun, 2009, 02:02: PM
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