Question

find the 9th term from the AP 5,9,13...185

Answer 1

hii mate
a= 5 , d= 4 n= 9
=. a+8d
= 5+8*4
=. 5+32
= 37

Answer 2

a=5 , d =9-5= 4 . a+ (n-1)d= 5+ (9-1)4 =5+8*4= 37