If set A and B are defined as A = ...

If set A and B are defined as
`A = {(x,y)|y = 1/x, 0 ne x in R}, B = {(x,y)|y = -x , x in R,}`. Then

A

`A nn B= A`

B

`A nn B= B`

C

`A nn B= phi`

D

`A uu B= A`

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The correct Answer is:

C

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