Question: Solve the given systems of equations by determinants. All numbers are accurate to at least two significant digits. In applying Kirchhoffs laws (see the chapter

Solve the given systems of equations by determinants. All numbers are accurate to at least two significant digits.

In applying Kirchhoff’s laws (see the chapter introduction; the equations can be found in most physics textbooks) to the electric circuit shown in Fig. 5.34, the following equations are found. Find the indicated currents I1 and I 2 (in A).

521 - 271 -271 + 761 -420 = 210

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