2015 f4 maths ch3 sets

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Set Language and Notation 1. A = {x : x is divisible by 3} B = {x : x is divisible by 4} (a) Draw a Venn Diagram to illstrate t!e in"o.(b) #ist t!e elements $ontained in t!e set A%B.($) &ind n (AB)%. (d) Des$ribe' as sim(ly as (ossible' in words' t!e elements $ontained in t!e set A B.Set Language and Notation ). A = {x : x is an odd nmber} B = {x : x is a (rime nmber} (a) Draw a Venn Diagram to re(resent t!e in"o.(b)#ist t!e elements o" set AB%.($) &ind n (A%B)Set Language and Notation 3. *ets A' + and * are de"ined by A = {a$tive ((ils}' + = {(lay"l ((ils} and * = {stdios ((ils}(a) ,-(ress t!e "ollowing statements in set notation.(i) .!ere is no (lay"l and stdios ((ils. (ii) All stdios ((ils are a$tive bt not all a$tive ((ils are stdios. (iii) .!ere are a$tive ((ils w!o are also (lay"l ((ils. (b) /a0e a statement to e-(lain *%(A+).