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If P={x in R : f(x)=0} and Q={x in R : g...

If `P={x in R : f(x)=0}` and `Q={x in R : g(x)=0 }`, then `PuuQ` is

A

`{ x in R : f (x) + g (x) = 0 } `

B

`{ x in R : f (x) g (x) = 0}`

C

`{ x in R : (f (x))^(2) + (g (x))^(2) = 0 }`

D

None of these

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The correct Answer is:
B
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