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Question
Which of the following is the empty set
Which of the following is the empty set
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Solution
The correct option is B
Since x2 + 1 = 0, gives x2 = -1
⇒ x = ± i
∴ x is not real but x is real (given)
∴ No value of x is possible.
Since x2 + 1 = 0, gives x2 = -1
⇒ x = ± i
∴ x is not real but x is real (given)
∴ No value of x is possible.