True or false
1.) {3,4,8,11} ∩ {2,4,7,11,12} = {4,11}
2.) {1,3,5,6,9,12} ∪ {2,3,6,12,13,14} = {3,6,9,12}
3.) {a,g,h,k,l,p,r,s} - {f,g,k,l,p,s,t,y,z} = {f,t,y,z}
4.) {1,3,5,7,9} ∩ {2,4,6,8,10} = ∅
5.) {10,11,13,15,17} ∪ {1,8,9,10} = 1,8,9,10,11,13,15,17}
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Answer:
i think number 2 should be, {1,2,3,5,6,9,12,13,14}