1.

If a_(1) lt ( 28)^((1)/( 3)) - 3 lt b_(1), then (a_(1) b_(1)) ( a_(1) , b_(1)) is

Answer»

`((1)/(28),(1)/(27))`
`((1)/(27), ( 1)/( 28))`
(27,28)
`((1)/(27),(1)/(26))`

ANSWER :A


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