Question
Which of the following is an empty set
Answer: Option B
:
B
Sincex2 + 1 = 0, givesx2=−1
⇒ x=±i
∴ x is not real but x has to be is real (given)
∴ No real value of x is possible in this case.
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:
B
Sincex2 + 1 = 0, givesx2=−1
⇒ x=±i
∴ x is not real but x has to be is real (given)
∴ No real value of x is possible in this case.
Was this answer helpful ?
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