Question

if a,b,c be in arithmetic progression then the valu of (a+2b-c)(2b+c-a)(a+2b+c)​

Answer 1

Answer: 16abc

Step-by-step explanation:

Just used the basic condition for AP

Answer 2

If a, b, c are in A. P, then 2b=a+c

(a+2b-c)(2b+c-a)(a+2b+c)

=(2a) (2c)(2a+2c)

=8ac(a+c)

8ac(2b)=16abc