Question

If a+1,2a+1,4a-1 are in A.P, then the value of a is

Answer 1

Answer:

2

Step-by-step explanation:

∵a+1,2a+1,4a-1 are in A.P.

2(2a+1)=a+1+4a-1

4a+2=5a

5a-4a=2

a=2