Question

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 )​

Answer 1

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 = { }