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If x = a - (1)/(a), y = b - (1)/(b) and ...

If `x = a - (1)/(a), y = b - (1)/(b)` and `z = c - (1)/(c )` and a, b, c are in G.P., then show that `(x+z)/(y) = r + (1)/(r )`, where r is the common ratio of the G.P.

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