Which is not a rational value (1)/(2) (11)/(7) (9)/(3) \sqrt(8)/(2)

Question

Which is not a rational value


`(1)/(2)`


`(11)/(7)`


`(9)/(3)`


`\sqrt(8)/(2)`

Answer 1

11/7..........it doesnt termimate or repeat

Answer 2

9/3
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-Joker7721