a) Find vo in the circuit shown if va =0.1 V and vb = 0.25 V. b) If vb =0.25 V, how lar...

a) Find v_o in the circuit shown if v_a =0.1 V and v_{b =} 0.25 V.

b) If v_b =0.25 V, how large can v_a be before the op amp saturates?

c) If v_a =0.10 V, how large can v_b be before the op amp saturates?

d) Repeat (a), (b), and (c) with the polarity of v_b reversed.