lim(x-->2)h(x)does not equal to 4
my teacher give the answer :
Thus for whenever no matter how small we choose
=> lim(x-->2)h(x)does not equal to 4
i cannot understand the second line of the explanation. why we have to consider
why cannot consider this : thus, right?
can anyone explain it to me? i really could'nt understand this!(Shake)