If : f(x){:( =1", ... x is ration...

If : `f(x){:( =1", ... x is rational"),(=0", ...x is irrational" ):}` then : `lim_(x to 0)f(x)=`

A

0

B

1

C

`1//2`

D

None of these

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The correct Answer is:

B

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