limx→a[f(x)+g(x)]=limx→af(x)+limx→ag(x)
is valid if limx→af(x) does not exists?
False
The result limx→a[f(x)+g(x)]=limx→af(x)+limx→ag(x) is true only when limx→af(x) and limx→ag(x) exists.
It has been given that limx→af(x) does not exists, so the above equation is not valid.