Question

Find the 9th term ftom the end of the A.P:5,9,13,....185.​

Answer 1

a1 =5.

a2=9

d = 9-5

=4., an =185

Now 9th term =n= 9

an = a+(n-1)d

=5+(9-1)4

=5+32

=37.ans.