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l'Hopital's Rule

• To: mathgroup at smc.vnet.net
• Subject: [mg24309] l'Hopital's Rule
• From: heathw at in-tch.com
• Date: Fri, 7 Jul 2000 00:11:54 -0400 (EDT)
• Sender: owner-wri-mathgroup at wolfram.com

Hi,
When I input this:
Limit[(a^2 - a*x)/(a - Sqrt[a*x]), x -> a]
The output is:
0
The output should be 2*a.
Can't Mathematica 4 use l'Hopital's Rule?
Thanks,
Heath