SOLUTION: how to find the middle term of an ap if the no of terms are odd

Question 839193: how to find the middle term of an ap if the no of terms are odd
Answer by Edwin McCravy(20056) (Show Source): You can put this solution on YOUR website!

The middle term = the average of the first term and the last term.

For example, the arithmetic sequence

1, 4, 7, 10, 13, 16, 19

which has 7 terms (7 is an odd number of terms),
the average of the first and the last term is ,
which is the middle term.

Edwin

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