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यदि a,b,c A.P. में हैं , तो सिद्ध कीजिए ...

यदि `a,b,c A.P.` में हैं , तो सिद्ध कीजिए कि
`a((1)/(b) + (1)/(c)), b((1)/(c) + (1)/(a)) , c ((1)/(a) + (1)/(b))` A.P. में हैं ।

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