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If 1a,1b,1c are in A.P., prove that (i) bc,ca,ab are in A.P. (ii) a(b+c), b(c+a), c(a+b) are in A.P

Answer» If 1a,1b,1c are in A.P., prove that
(i) bc,ca,ab are in A.P.
(ii) a(b+c), b(c+a), c(a+b) are in A.P


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