= C(s) R(s) using both Problem #1 For the following systems, find the equivalent transfer function T(s) = block diagram reduction and Mason's rule. (a) [T(s) = s3+1 2s++s²+2s R(s) + C(s) 1 S S 50(s-2) s3+s2+150s-100 (b) [T(s) = R(s) + 1 1 S + S 50 s+1 215 2 C(s) (c) [T(s) = G3(G₁G₂+1) 1+G₁H₁ (d) [T(s) = H1 R(s) G1 G2 G3 C(s) G3+G1G2 1+H(G3+G₁G2)+G2G4 G3(s) R(s) G1(s) G2(s) H(s) G4(s) C(s)