Problema Solution

In a finite sequence of real numbers, the sum of any three consecutive terms is negative and the sum of any seven consecutive terms is positive. Determine the maximum number of terms in the sequence.

Answer provided by our tutors

In a finite sequence of real numbers, the sum of any three consecutive terms is negative and the sum of any seven consecutive terms is positive. Determine the maximum number of terms in the sequence.

 

The maximum nubmer of terms will be n(n-1)/2