Question

find x, if the following are in AP.
5, (x-1), 0​

Answer 1

Explanation:

I hope this is correct

x=3/2

Answer 2

Answer:

3.5

Explanation:

Given series is 5,(x-1),0

The condition to be in AP is:

2* (2nd term) = 1st term + 3rd term

2*(x-1)=5+0

2(x-1)=5

x-1= 5/2

x=2.5+1

x=3.5