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If (1)/(b+c),(1)/(c+a),(1)/(a+b) are in ...

If `(1)/(b+c),(1)/(c+a),(1)/(a+b)` are in A.P., then

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If a, b, c are In A.P., then show that, (1)/(b c), (1)/(c a), (1)/(a b) are in A.P.

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