i dont even know where to begin with this?
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Originally Posted by pnfuller i dont even know where to begin with this? Originally Posted by pnfuller i dont even know where to begin with this? Actually that can't be done unless it says that is differentiable. If we assume that is what the question means then what if .
Since the problem says that f' (NOT f) is continuous, I think we can assume that f is differentiable! pnfuller, since the problem says "use L'Hopitals rule", perhaps you could begin by doing that?
Originally Posted by HallsofIvy Since the problem says that f' (NOT f) is continuous, I think we can assume that f is differentiable! It does not show on this computer. It could be that the image is so dark. I wish we could ban posting questions as images.
Last edited by Plato; Oct 25th 2012 at 11:36 AM.
well how do you take the derivative of the numerator with all the different variables? Originally Posted by HallsofIvy Since the problem says that f' (NOT f) is continuous, I think we can assume that f is differentiable! pnfuller, since the problem says "use L'Hopitals rule", perhaps you could begin by doing that?
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