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If x > 1, y > 1, z > 1 are in G.P., then (1/1+log x' 1/1+log y'1/1+log z) are in (a) A.P. (b) H.P. (c) G.P. (d) None of the above |
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Answer» Correct option(b) H.P Explanation: y2 = xz, 1 + log x, 1 + log y, 1 + log z are in A.P. if 2 log y= log x + log z or y2 = xz, |
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