27. Sum of the three numbers in AP is 30. Their product is 910. Find the number
Anonymous:
let the numbers be
a-d a a+d
a-d+a+a+d = 30
3 a = 30s. [9=10]
10-d*10*&0+d = 910
10sq.-dsq. = 91
dsq.=10sq. - 91
100-91 = 9 = d=+3
if d = 3 , these numbers are : 7 10 13
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