limx) = no
This does not mean the limit exists! On the contrary, it tells how the limit fails to
exist by denoting the unbound behavior of x) as x approaches c. I
If x) approaches no or -w as it approaches c from the left or the right, then the li
2.3 Product and Quotient Rules
ilngtx = f(x)g(x) + f(x)£(x)
Fid the derivative:
\~ ~ W-r
» .9fx): = - a. .a-
W L _ Jr. -:.
Hm?" . m?» '
I 2. f(x)=(2x1)(4x35x) I I! I; r: X
and; 'l ' a? WK) 253;.MK5Exri} r .g E whiz;
;;- ymbu'f. :