The sensitivity ST(K) of transfer function \(T=\frac{1+2k}{3+4k}\) with respect to the parameter K is given by

The sensitivity ST(K) of transfer function \(T=\frac{1+2k}{3+4k}\) wi

1.	The sensitivity ST(K) of transfer function \(T=\frac{1+2k}{3+4k}\) with respect to the parameter K is given by
A.	\(\frac{K}{(3+K^2 )}\)
B.	\(\frac{3K}{(2+4K+K^2 )}\)
C.	\(\frac{2K}{(3+10K+8K^2 )}\)
D.	\(\frac{4K}{(2+5K+7K^2 )}\)
Answer» D. \(\frac{4K}{(2+5K+7K^2 )}\)