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Write the following sets as intervals ...

Write the following sets as intervals
(i) `{x:x in R, -2 lt x lt 15}`
(ii) `{x:x in R, x ge 2}`

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(i) `(-2, 15)`
`[2,oo)`
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The intervals of the set {x:x in R and -3 ltx le 15} is

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