Chapter 11, Problem 11.12P

To determine

(a)

Root Locus plotting parameter $K$ and its range in terms of the parameter $p$ for the characteristic equation $9s^3+6s^2-5ps+2=0$.

To determine

(b)

Root Locus plotting parameter $K$ and its range in terms of the parameter $p$ for the characteristic equation $4s^3-p{s}^2+2s+7=0$.

To determine

(c)

Root Locus plotting parameter $K$ and its range in terms of the parameter $p$ for the characteristic equation $s^2+(3-p)s+4+4p=0$.