Refer to Figure Q1a and Figure Q1b in Question 1 Equations f

Refer to Figure Q1a and Figure Q1b in Question 1. Equations for H_6 are given by to below. H_6 = H_1 + H_2/G_1 H_6 = H_1 + 1/G_1 H_6 = H_2 + H_1/G_1 H_6 = H_1 + H_1 H_2/G_1 H_6 = H_2 + H_1 H_2 G_1 Evaluate equations to above and select the correct statement below. Equation only is correct. Equation only is correct. Equation only is correct. Equation only is correct. Equation only is correct. Figure Q1 b is a result of performing some block diagram operations on Figure Q1 Compare the two diagrams noting the changes. Equations for G_5 and H_7 are given by to below.

Solution

from the first figure...

forward path is

G1 G2 G3 G4