Question

if the n th term of the AP 9 7 5 is same as the n th term of the AP 15 12 9 find the n​

Answer 1

Answer: 3

Step-by-step explanation:

1)AP 9,7,5,3 (difference of 2)

2)AP 15,12,9,6,3(difference of 3)

3 is the same number

Thus 3 is your n

Answer 2

the value of nth term is -3