QUESTION 3: Figure 13.10 shows AC equivalent circuit for 741 Input Stage. Given that β = 200, VA = 50 V, IC1 = 8.9 μA, R2 = 2 kΩ, and Ri2 = 3.231 MΩ find Ad = v01/vd = −gm2(ro4∥Ract1∥Ri2). gm2 (mA/V) ro4 (MΩ) Format: 0.33520245450558 Ract1 (MΩ). 9396528790963 Ad(V/V) Format : 6.3840508097726 Format : −556.6752944579 Format : 0.33520245450558 ro4 (MΩ ) Format : 5.9396528790963 Ract1 (MΩ ) Format: 6.3840508097726 Ad (V/V) Format : -556.6752944579 Figure 13.10