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If A={(x, y): y = e^x, x in R} and B={...

If `A={(x, y): y = e^x, x in R}` and `B={(x,y):y=e^(-2x), x in R}`, then

A

`A cap B =phi`

B

`AcapB=phi`

C

`A cap B=R`

D

none of these.

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The correct Answer is:
B
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