Problem 3.67 (6th Ed) Find V_0
R1 = 1k; R2 = 2k, R3 = 1k, R4 = 2k
Is1 =2mA, Is2 = 4mA, Is3 = 4mA,
Vs = 12 V
IDENTIFY AND LABEL ALL NODES
WRITE THE NODE EQUATIONS
NOW WE LOOK WHAT IS BEING
ASKED TO DECIDE THE SOLUTION
STRATEGY.