Question

Use Cramer’s rule to find the value of 𝑥3 in the following system of equations. Briefly explain, in your own words, the steps. Discuss why the Cramer’s rule may be preferable to other methods of solving this system. [ 4 9 6 1 5 3 −5 8 11 ][ 𝑥1 𝑥2 𝑥3 ] = [ 36 −22 42 ]

Answer 1

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