1.

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



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