1.

If a lt c lt b, and if 1-k_(1)lt ln ((b)/(a)) lt k_(2)-1 , then ( k _(1) , k_(2)) is

Answer»

`((a)/(B), (b)/(a))`
`((b)/(a), (a)/(b))`
`(2a,2b)`
(a,b)

ANSWER :A


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