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If |z|=min(|z-1|,|z+1|}, where z is the ...

If `|z|=min(|z-1|,|z+1|},` where z is the complex number and f be a one -one function from `{a,b,c} to {1,2,3} and f(a)=1` is false, `f(b)!=1` is false and `f(c)!=2` is true then `|z+barz|=` (A) `f(a)` (B) `f(c)` (C) `1/2f(a)` (D) `f(b)`

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