Question: (a) Write down an example of a system of 5 linear equations in 5 unknowns with regular diagonal coefficient matrix. (b) Solve your system. (c)

(a) Write down an example of a system of 5 linear equations in 5 unknowns with regular diagonal coefficient matrix.
(b) Solve your system.
(c) Explain why solving a system whose coefficient matrix is diagonal is very easy.

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