for each of the following set state with reasons whether it is empty set or not
1) A=(x/x I, x2 is not a positive)
2)B=(b/b N, 2b+1 is even )
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Answer:
1) A = { }
2) B = { }
Step-by-step explanation:
1) There is no integer who's square is a negative number
eg. –1^2 = 1
therefore, A= { }
2) There is no natural number who's double + 1 is an even number
eg. 2b+1
2×2+1 = 5
therefore, B = { }
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