Question

if a,(a-2) and 3a are in AP, then value of a is​

Answer 1

Answer:

a=-2

Step-by-step explanation:

if these 3terms are in ap then their common difference will be equal-

a−2−a=3a−a+2

−2=2a+2

2a=−2−2

2a=−4

a=−4÷2

a=−2