This leads up to finding the sum of the arithmetic series Sn by starting with the first term and successively adding the common difference. Find the 125 th term in the arithmetic sequence 4 1 6 11. Divide both sides by a displaystyle a.
Find the common ratio of the sequence by dividing any two consecutive terms.
Start with the standard form of a general quadratic equation. The first term is a. N35 n 35. Note that we couldve switched this and the previous step and still.