1. Let R & S be the sets defined as follows R={xel : x is divisible by 2}, S ={xel :x is divisible by 3) then Ni a (a) RUS = {2, 3, 4, 5, 6, ...} (b) ROS = 0 (c) R-S={2, 4, 5, 7, ... Let A = {xelt: r* - 13.x? +36=0} then d) none of these ?

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( R={2,4,6,8-cdots} quad[because d text { ivis ible by } 2] ) ( s={3,6,9,12 ldots,} ) " divisible by 3 Besed none of the above ( R-S={2,4,8 cdots,} ) ( R cup S={2,3,4,6,8,9 cdot cdot cdot} ) ( operatorname{Rns}={6,12,18 cdot cdots} ) 80 none of the above option

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