pyrosilver
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Homework Statement
lim
_{}h\rightarrow0 (\sqrt{a+h} - \sqrt{a}) / h
3. ok so i multiplied by \sqrt{a+h} + \sqrt{a}. The top simplified to a+ h -a, aka h. the bottom is h(\sqrt{a+h} + \sqrt{a}).
The h cancels, so I am left with
1 / (\sqrt{a+h} + \sqrt{a}
how do i simplify this further?
thanks!