Question 2. Consider the circuit to the right. Let VDD = VSS = 5 V, RD = 2 kΩ, and I = 2 mA. The transistors are matched with kn = 0.5 mA/V2 and Vtn = 0.4 V. Let the transistor gate voltages be 2 V. (a) Derive the voltages at the transistor drains (b) Derive the voltages at the transistor sources