L i m i t A → ∞ : {\displaystyle Limit\ A\ \to \infty :}
X 0 = 1 β X s ⇒ V 0 = R 1 + R 2 R 1 V i n {\displaystyle X_{0}\ ={\frac {1}{\beta }}X_{s}\ \Rightarrow V_{0}={\frac {R_{1}+R_{2}}{R_{1}}}V_{in}}
