Question

13,11,9,7 in this ap which term number is -5 ​

Answer 1

Answer:

In the given series of A.P.,-5 is on the 9th place.

Hope it will help!

Answer 2

Answer:

10th term

Step-by-step explanation:

Here, a = 13 ; d = 11 - 13 = - 2.

In APs, nth term = a + (n - 1)d.

Let - 5 be the nth term,

=> - 5 = 13 + (n - 1)(-2)

=> - 5 - 13 = (n - 1)(-2)

=> - 18 = (n - 1)(-2)

=> (-18)/(-2) =n - 1

=> 9 = n - 1

=> 10 = n