Pole Splitting equation question

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SUMMARY

The discussion focuses on the pole splitting equation, specifically the transfer function relating load output (Vl) to amplifier input (Vi). The user seeks clarification on the origin of the zero in the numerator of the transfer function, which is divided by the amplifier gain. It is noted that the transfer function for the output network should resemble that of the input network, with the addition of capacitor Cc in parallel with capacitor Cl. The user also offers to share additional resources via email for deeper understanding.

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bitrex
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I'm trying to follow along with the equations on the wikiepdia page for pole splitting: http://en.wikipedia.org/wiki/Pole_splitting. However, I'm having a bit of trouble understanding the equation about halfway down that relates the load output to the amplifier input, Vl/Vi. Where does the zero in the numerator in the transfer function come from, that term divided by the amplifier gain? I thought the transfer function for the output network would be essentially identical to that of the input network, just with Cc in parallel with Cl. Thanks for any insight.
 
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