For the network in Fig. 1:a. Write the equations necessary to solve for the branch current...

For the network in Fig. 1:

a. Write the equations necessary to solve for the branch currents.

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b. By substitution of Kirchhoff’s current law, reduce the set to three equations.

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c. Rewrite the equations in a format that can be solved using third-order determinants.

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d. Solve for the branch current through the resistor R3.

FIG. 1