# Consider the following Gaussian-elimination-Gauss-Jordan hybrid method for solving the system (6.4). First, apply the Gaussian-elimination technique to

## Question:

a. Show that this method requires

n3/3 + 3/2 n2 - 5/6 n multiplications/divisions

and

n3/3 + n2/2 - 5/6 n additions/subtractions.

b. Make a table comparing the required operations for the Gaussian elimination, Gauss-Jordan, and hybrid methods, for n = 3, 10, 50, 100.

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## Step by Step Answer:

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