The line should read:
G 2 ( s ) = 10 s 2 + 2 s + 10 = 10 ( s + 1 ) 2 + 9 {\displaystyle G_{2}(s)={\frac {10}{s^{2}+2s+10}}={\frac {10}{\left(s+1\right)^{2}+9}}}
Return to errata.
