Failed to connect to MySQL: Access denied for user 'examnext_online'@'localhost' (using password: YES) If `fR -> R` is defined by `f(x) =x-[x]-1/2` for `x in R`, where [x] is the greatest integer not exceeding x, then `{x in R; f(x)=1/2}=` - Sarthaks eConnect

If `f:R -> R` is defined by `f(x) =x-[x]-1/2` for `x in R`, where [x] is the greatest integer not exceeding x, then `{x in R; f(x)=1/2}=`

If `f:R -> R` is defined by `f(x) =x-[x]-1/2` for `x in R`, where [x] is the greatest integer not exceeding x, then `{x in R; f(x)=1/2}=`

A.

Z

B.

N

C.

`phi`

D.

R