Op amp practice problems
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Read the op-amp class notes.

For the circuit shown,

• R₁ = 1.8 kΩ
• R₂ = 1.2 kΩ
• R₃ = 6.8 kΩ
• R₄ = 15 kΩ
• R₅ = 22 kΩ
• R₆ = 15 kΩ
• R₇ = 22 kΩ

Find the expression for the output voltage in terms of v_x, v_y, and v_z.

Answer