1.

If `x_1,x_2,x_3,...` are positive numbers in G.P then `logx_n, logx_(n+1), logx_(n+2)` are inA. A.PB. G.PC. H.PD. none of these

Answer» Correct Answer - A
We have,
`x_(n), x_(n+1), x_(n+2)` in G.P.
`rArr x_(n+1)^(2) = x_(n)x_(n+2)`
`rArr 2"log"x_(n+1) = "log"x_(n) + "log"x_(n+2)`
`rArr "log"x_(n), "log"x_(n+1), "log"x_(n+2)` are in A.P.


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