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5 years, 8 months ago
The sum of the square of 3 consecutive positive number is 365.the sum of the number is?
5 years, 8 months ago
(a-1)^2 + a^2 + (a+1)^2 = 365
3a^2 + 2 = 365
Or, a = 11
So, the three numbers are 10,11 and 12 and their sum is 33