Mathematics RFEI 3 control + 3 laboratory works

Replenishment date: 14.01.2010
Content: matematika_3_kont_3_labor.rar (199.28 KB)
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Description
Mathematics RFEI 3 control + 3 laboratory works. (A total of 6 works).

The 1st test begins:
1. Among the numbers, name the purely imaginary
1.1 z = 3,5;
1.2z = 12i;
1.3z = 45 - 7i.

2nd control:
1. 2. 3. Find the value of the determinant
4. Find a determinant
5. Solve the equation
6. Find all the minors of the determinant.
etc. total 14 tasks

3rd control:
Tasks in this job:
1. Find the rank of the matrix
2. Solve the matrix equation
3. Solve the system of equations by the Gauss method using Cramer's formulas and the matrix method
4. Find a fundamental system of decisions
etc. total 15 tasks

1st laboratory:
1. Calculate determinants.
1.1 Calculate the determinant by expanding the elements of the second line.
1.2 Calculate the determinant by expanding the elements of the fourth column
1.3 Calculate ...
1.4 .....
2. Find passages of matrices manually and check the result in the MS Exsel package.

2st laboratory:
1. Find the rank of the matrix.
2. Find the inverse of the given matrix.
3. Solve the system of equations using the matrix method.
4. Solve the system of equations by the Gauss method.

3rd laboratory:
Only 5 tasks.
1. A small company produces two types of products: tables and chairs. It takes 2 feet of wood to craft one chair,
and 7 feet for making one table. It takes 2 hours of working time to make one chair, and to make
table - 8 hours, each chair brings $ 1. profit, and each table - $ 3 ................
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