1. Using the circuit below R₁ www. Vo www R₂ V₁ R3 (a) Write the resulting system of equations for the unknown currents, 1₁, 12 and i3 if R₁ = 50, R₂= 2002 and R3 = 502 with Vo = 20V and V₁ = 5V. (b) Write the augmented matrix for this system. (c) Use elementary row operations to bring the augmented matrix into Row Echelon form.
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