24.
그림과 같은 블록선도에서 출력 C(s)는?
①
\(\frac{G(s)}{1+G(s)+H(s)}R(s)+\frac{G(s)}{1+G(s)+H(s)}D(s)\)
②
\(\frac{1}{1+G(s)+H(s)}R(s)+\frac{1}{1+G(s)+H(s)}D(s)\)
③
\(\frac{G(s)}{1+G(s)+H(s)}R(s)+\frac{1}{1+G(s)+H(s)}D(s)\)
④
\(\frac{1}{1+G(s)+H(s)}R(s)+\frac{G(s)}{1+G(s)+H(s)}D(s)\)