2000019007 | math4u.vsb.cz

SubArea:

Systems of linear equations and inequalities

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Project ID:

2000019007

Accepted:

0

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0

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The system of equations is given by:

\begin{aligned} x + 2 z = 3 \\ 2 x - y + z = 2 \\ 3 x - 2 y - z = 1 \end{aligned}

When solving the system using Cramer's rule, we evaluate determinants of four matrices. What is the arithmetic mean of all these determinants?

2

3.5

\frac{7}{3}

\frac{8}{3}