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CBSE Class 11-science Answered

Are the sets A - B and B - A  disjoint sets?
Asked by Topperlearning User | 17 Apr, 2014, 10:35: AM
answered-by-expert Expert Answer
 A minus B space a A n d space B minus A space a r e space d i s j o i n t space s e t s.

A minus B equals open curly brackets x : x element of A space a n d space x not an element of B close curly brackets space a n d space B minus A equals open curly brackets x : x element of B space a n d space x not an element of A close curly brackets

rightwards double arrow open parentheses A minus B close parentheses intersection open parentheses B minus A close parentheses equals empty set
 
Answered by | 17 Apr, 2014, 12:35: PM
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