Question: Solve the system in Example 3.9 by using a. The inverse of the coefficient matrix. b. 4 The (backslash) operator in MATLAB. Data

Solve the system in Example 3.9 by using

a. The inverse of the coefficient matrix.

b. 4 The " \(\backslash\) " operator in MATLAB.

Data From Example 3.9:

Using Gauss elimination, solve the linear system

-1 1 3 x 3 1 -2 2 X2} 9 2 1

-1 1 3 x 3 1 -2 2 X2} 9 2 1 4 X3 8

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