If a, b, c are in H.P., prove that,   `a(b+c), b(c+a), c(a+b)` are in A.P.
Channel: Doubtnut
Date: 2020-05-09

If a, b, c are in H.P., prove that,   `a(b+c), b(c+a), c(a+b)` are in A.P.