Question

11, 8, 5, 2, ... In this A.P. which
term is number -13? *
​

Answer 1

Answer:

9th term of this AP is -13

Step-by-step explanation:

n=?

a=11; d= -3; an= -13

an = a+(n-1)d

-13 = 11+(n-1)-3

-13-11 = (n-1) -3

-24 = (n-1) -3

-24/-3 = (n-1)

8 = n-1

n = 8+1

n = 9..

Therefore, 9th term of this AP is -13.

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