In the op-amp circuit shown in the figure below, the input voltage V1 is 1 V, The value of the output Vo is
1
-0.33 V
2
-0.50 V
3
-1.00 V
4
-0.25 V
In the op-amp circuit shown in the figure below, the input voltage V1 is 1 V, The value of the output Vo is