Question

1,3,5 is an arithmetic sequence
1) what is the common difference
2)write next three sequence
3)write the algebraic expression
4)find out the 15th term
5)find out the 27th term
6)find the sum 1 to 27th term
7)find the sum 15th to 27th term
8)if 20,21 is a term of these sequence​

Answer 1

Answer:

1.) common difference is 2

2.)7,9,11 is the next sequence

3.)

4.) 15th term is 29

5.)27th term is 53