Question $12$

For $a0$ evaluate the following limit:

$\underset{h0}{lim}\frac{\frac{1}{ah}-\frac{1}{a}}{h}$

$($A$)\frac{1}{a}$

$($B$)-\frac{1}{a}$

$($C$)\frac{1}{a^2}$

$($D$)-\frac{1}{a^2}$

$($E$)$ The limit does not exist

A

B

$c$

$0$

E