Question

find the nth term of an AP 5,9,13...​

Answer 1

Answer:

AP is 5, 9, 13, 17...

= 4n +1 this is the correct answer

Answer 2

Step-by-step explanation:

AP is 5, 9, 13, ..

a = 5

d = 9 - 5 = 4

a(n) = a + (n -1) d

= 5 + ( n -1) 4

= 5 + 4n - 4

= 4n +1