Question

2x + 1 , 4x , -x + 13 , find x in the ap

Answer 1

Answer:

a2-a1= a3-a2

=>4x-(2x+1)= -x+13-4x

=>x=2

Answer 2

Answer:

×= 1/2,×=0, ×=13.

Step-by-step explanation:

2x+1=0

or,2x=1

or, x=1/2

4x=0

or, x=0

-x+13=0

or, -x= - 13

or, x = 13