.
Asked by shreehari wadawadagi | 20th Mar, 2014, 08:19: PM
Expert Answer:
(i) 
(ii)
Since A 
B, there is no element in A which does not belong to B.
Thus, A - B = 
Hence, (i) (ii)
(ii) (ii)
A - B = A B A U B = B
Hence, (ii) (iii)
(iii) (iv) A U B = B A 
B = A
Hence, (iii) (iv)
(iv) (i)
Since, A B = A A B
Thus, (iv) (i)
Hence, (i) 
(ii) (iii) (iv)
(ii) B, there is no element in A which does not belong to B.(ii)(ii)A B A U B = B(iii)(iv) A U B = B A B = A(iv)(i)B = A A B(i)(ii) (iii) (iv)Answered by | 21st Mar, 2014, 10:51: AM
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