If two natural numbers r and s are drawn one at a time, without replacement from the set S={1,2,3,….n}, then find P`(rlep//slep)` where p`in`S.

If two natural numbers r and s are drawn one at a time, without replac

1.	If two natural numbers r and s are drawn one at a time, without replacement from the set S={1,2,3,….n}, then find P`(rlep//slep)` where p`in`S.
Answer» `because` Set S={1,2,3,…n} `therefore P(rlep//slep)=(P(pcapS))/(P(S))` `=(p-1)/nxxn/(n-1)=(p-1)/(n-1)`

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If two natural numbers r and s are drawn one at a time, without replacement from the set S={1,2,3,….n}, then find P`(rlep//slep)` where p`in`S.

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