Subtractor with Offset

The questions below are due on Tuesday April 02, 2019; 11:00:00 PM.

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Consider the circuit in the figure below:

Give an expression for the output voltage V_o in terms of V_1, V_2, V_3, R_1, and R_2. Enter your answer as a Python expression containing some or all of these variables, as well as any constants you need.

Your answer should take the form V_o = K *(V_1-V_2) + V, for some values of K and V.

V_o =~