Questions
If set A and B are defined as:
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a
A∩B=A
b
A∩B=B
c
A∩B=ϕ
d
None of these
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Correct option is C
For A∩B we have to look for common values of A and B For this, on comparing the values of y from y=1x and y=−x we have 1x=−x or x2=−1, which is not possible. Hence A∩B=ϕ .Talk to our academic expert!
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