17. If x gt 1, y gt 1, z gt1 are in G.P,...

17. If `x gt 1, y gt 1, z gt1` are in G.P, then `1/(1+ ln x), 1/( 1+ ln y), 1/(1+ lnz)` are in
(a) AP
(b) HP
(c ) GP
(d) None of these
Answer - b

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