Assume that the ideal op amp in the circuit seen in Figure. 1 is operating in its linear r...

Assume that the ideal op amp in the circuit seen in Figure. 1 is operating in its linear region.

a) Show that υo = [(R1, + R2)/ R1]υs.

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b) What happens if R1 → ∞ and R2 → 0?

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c) Explain why this circuit is referred to as a voltage follower when R1 = ∞ and R2 = 0.

Figure. 1