If a,b,c are in A.P. then prove a²(b+c) , b²(c+a) , c²(a+b) are also in A.P.

If a,b,c are in A.P. then prove a²(b+c) , b²(c+a) , c²(a+b) are als

1.	If a,b,c are in A.P. then prove a²(b+c) , b²(c+a) , c²(a+b) are also in A.P.
Answer» 2b=a+c put