16. Find the algebraic expression of the sum of n terms

of an arithmetic sequence 12,20,28,… ..​

1 thought on “16. Find the algebraic expression of the sum of n terms <br /><br />of an arithmetic sequence 12,20,28,… ..​”

1. Answer:

   the sequence is following the difference between the two numbers are 28-20= 8, 20-12=8

   so the next number in the sequence is 36.

   Reply