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Which of the following is an empty set ?...

Which of the following is an empty set ?

A

1) The set of prime numbers which are even.

B

2) The solution set of the equation ` (2(2x+3))/(x+1) -(2)/(x+1) +3=0, x in R.`

C

3) `(A xxB)nn (BxxA)` where A and B are disjoint.

D

4) The set of reals which satisfy `x ^(2) +ix +I -1=0`

Text Solution

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The correct Answer is:
C
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