
Grade 12th passAlgebra
if H1,H2,H3....Hn be n harmonic mean between a and b then (H1+ a /H1 – a) + (Hn +b/Hn – b) is equal to????/
if H1,H2,H3....Hn be n harmonic mean between a and b then (H1+ a /H1 – a) + (Hn +b/Hn – b) is equal to????/



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