View source for Equation (2.11) has the wrong formula for the transfer function

{{Errata
|Book edition=Second
|Version number=3.0h
|Submission date=1 Oct 2016
|Your name=Chanud Yasanayake
|E-mail address=cyasanay@caltech.edu
|Chapter number=2
|Page number=2-7
|Line number=-12
|Current status=Duplicate
}}
Eqn 2.11 doesn't follow from the equations above it. The transfer function should be Gyu = G1/(1+G1G2).

21 Nov 2016, RMM: doubly reported.  Chanud reported on 1 Oct, Kirk reported on 4 Oct.