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WORKBOOK

Example 15:   BAn    A C  6 and n  CB  2 , find n (A )  ?

Example 16: A= {1,2,3}, B= {x, y, z} and C= { 4, x, 1, y} are given. Find

a) A  ( B  ) C

b) B x (A\C)

c) An  ( B C  )

Example 17: If A   a,2 b ,  B,   ,a,1 b  C,   ,2,1  b , find B(  A )  ( A  C ) .


A B    ,a a   , ,a b   , ,a c   , ,b a   , ,b b   , ,b c 

Example 18: If  then B C  ?
C D    ,a b   , ,a c   , ,a d   , , , ,a e  a f  


55 091math-wb-w3-(sets)