Let `f(x)={(cos[x],xge0),(|x|+a,xlt0):}` (where [.] denotes greatest integer function) If `lim_
Channel: Doubtnut
Date: 2020-02-02

Let `f(x)={(cos[x],xge0),(|x|+a,xlt0):}` (where [.] denotes greatest integer function) If `lim_(xto0)f(x)` exists then a is: