If a ,b ,c in R+ form an A.P., then pr...

If `a ,b ,c in R+` form an A.P., then prove that `a+(1)/(bc), b+(1)/(ac), c+(1)/(ab)` are also in A.P.
(a) A.P.
(b) G.P.
(c) H.P.
(d) none of these

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