1.

If a_(1) lt ( 257)^(1//4) -4 lt b _(1), then (a_(1) , b_(1) )( a_(1) , b_(1)) is

Answer»

`((1)/( 257),(1)/(256))`
`((1)/( 256),(1)/(257))`
`(256,257)`
`(255,256)`

ANSWER :A


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