If A= {4,5,6}; B={7,8} then show that AUB =BnA.
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Answered by
44
A = {4,5,6}
B = {7,8}
A U B = {4,5,6} U {7,8} = {4,5,6,7,8}
B U A = {7,8} U {4,5,6} = {7,8,4,5,6} = {4,5,6,7,8}
So A U B = B U A
B = {7,8}
A U B = {4,5,6} U {7,8} = {4,5,6,7,8}
B U A = {7,8} U {4,5,6} = {7,8,4,5,6} = {4,5,6,7,8}
So A U B = B U A
Answered by
1
Answer: hence proved.
Step-by-step explanation:
A = {4,5,6}; B = {7,8}
AUB (4,5,6,7,8}
BUA = {7,8,4,5,6}
Both the sets contain same elements.
Hence AUB=BUA
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