if ACB then find AUB
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- If A
B
- Find AUB
If AB then AUB = B
Let us take one example:-
Let A ={1,2,3,4}
B ={1,2,3,4,5,6}
Here,
A is B
AUB = {1,2,3,4} U {1,2,3,4,5,6}
AUB = {1,2,3,4,5,6}
If A B then AUB = B
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