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Fifth Term of the Series

What is the fifth term of the series an = n + an-1' if a0 = -3.

Solution Preview

a(n) = n + a(n-1)
=> a(n) = n + (n-1) + a(n-2)
so on. Hence,
=> a(n) = n + (n-1) + (n-2) + ...

Solution Summary

The fifth term of a series is found.

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