Question

Determine the general term of an A.P whose 7th term is -1 and 16 term is 17​

Answer 1

Hey mate hope it helps you..

a+6d = -1

a+15d = 17

Solving the 2 equations we get ,

9d = 18

d = 2

a+12= -1

a= -13

The AP is -13, -11, -9.....