1. Write C++ code for Gaussian elimination method and solves the following electric circuit equations. Note: If you can apply Partial Pivoting you will get extra 20 points. R2 1 ka 5 kn a. Node voltages in the circuit is given as supemode 9.6 45 -5.6 V, [240 R. 5 -12 200 n 2 kn 1 -2 V. 4 8 kn 2 kQ Using Gaussian elimination, find V1, V2 and V3 values. b. Node voltages in the circuit is given as Loop 3 + v. 1 -1 -2 V, 60 20 V-- iz V1 4 2 -5 -16 || V2 -1 -2 V3 10 A 2Ω |12 -2 -1 1 2 V4 20 Loop 2 Loop 1 Using Gaussian elimination, find V1, V2 , V3 and V4 values. c. The mesh-current equations for the circuit is given as 500 150 -40 -80 30 -40 65 -30 -15 200, 30 2 A 12 V -30 50 -20 || i, -12 152 200 30 vO ww- ww. -80 -15 95 20 -20 80 i, -20 80n O 20 V 608 Using Gaussian elimination, find the current values.