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Electric circuit problem. Consider the following electric circuit. Using Kirchhoff's junction loop rules leads to the...

Electric circuit problem. Consider the following electric circuit.
Using Kirchhoff's junction loop rules leads to the following system of equations for the currents x1,x2 and x3
X1 - x2 - x3 = 0
R1x1 + R2x2 = 1
-R2x2 + R3x3 = 0
a. Use cramer's rule to solve for the currents in the terms of the resistor R1,R2 and R3.
b. Check that your solution is correct

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