CBSE Class 10 Answered
find three numbers in AP is 15 and product is 80
Asked by nikhil2010prakash | 08 Dec, 2018, 09:03: AM
Expert Answer
Let the three numbers are (a-d), a and (a+d)
Sum = 3a = 15 ; hence a = 5;
product (a-d)×a×(a+d) = (5-d)×5×(5+d) = 80
(5-d)×(5+d) = 16
25 - d2 = 16 or d2 = 9 or d =3
Hence numbers are 2,5 and 8
Answered by Thiyagarajan K | 08 Dec, 2018, 09:16: AM
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