Question

Find the value of 'x' if the terms 3x - 1 , 15, 3x + 1 are in A.P


PLEASE ANSWER IT ACCORDING TO THE FORMULA WISE:)

Note: if you don't know don't answer please! ❤️ ​

Answer 1

Answer:

Solution:

Given 2x ,x + 8, 3x + 1 are in A.P

b-a = c-b

x + 8- 2x = 3x + 1 – x – 8

3x = 15

x = 15/3 = 5

Hence option (3) is the answer.