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Question

If sets A and B are defined as

A = {(x,y):y = ex,xR}

B = {(x,y):y = x,xR}, then


A

B A

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B

A B

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C

AB = ϕ

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D

ABA

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Solution

The correct option is C

AB = ϕ


Draw graphs in the same coordinate plane and observe no.of common points.
As we can see from the graph, there are 0 intersection points.
Hence, AB=ϕ


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