Question

If a, (a-2), 3a are in AP, then a = ?

(a) – 3 (b) – 2 (c) 2 (d) 3​

Answer 1

Answer:

b

Step-by-step explanation:

for Ap

a-2-a=3a-a+2.

-2=2a+2

a=-2

Answer 2

Answer:

(b)

Step-by-step explanation:

by the property of A.P,

2(a-2)=3a+a

=> -4= 2a

=> a = -2