Finite Mathematik Beispiele

$[\begin{array}{c} a + 8 & 4 z + 1 & 8 m \\ 7 k & 4 & 0 \end{array}] + [\begin{array}{c} 10 a & 10 z & 7 m \\ 8 k & 5 & 0 \end{array}] = [\begin{array}{c} 41 & - 69 & 105 \\ 45 & 9 & 0 \end{array}]$

Schritt 1

Addiere die entsprechenden Elemente.

$[\begin{array}{c} a + 8 + 10 a & 4 z + 1 + 10 z & 8 m + 7 m \\ 7 k + 8 k & 4 + 5 & 0 + 0 \end{array}] = [\begin{array}{c} 41 & - 69 & 105 \\ 45 & 9 & 0 \end{array}]$

Schritt 2

Simplify each element.

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Schritt 2.1

Addiere $a$ und $10 a$ .

$[\begin{array}{c} 11 a + 8 & 4 z + 1 + 10 z & 8 m + 7 m \\ 7 k + 8 k & 4 + 5 & 0 + 0 \end{array}] = [\begin{array}{c} 41 & - 69 & 105 \\ 45 & 9 & 0 \end{array}]$

Schritt 2.2

Addiere $4 z$ und $10 z$ .

$[\begin{array}{c} 11 a + 8 & 14 z + 1 & 8 m + 7 m \\ 7 k + 8 k & 4 + 5 & 0 + 0 \end{array}] = [\begin{array}{c} 41 & - 69 & 105 \\ 45 & 9 & 0 \end{array}]$

Schritt 2.3

Addiere $8 m$ und $7 m$ .

$[\begin{array}{c} 11 a + 8 & 14 z + 1 & 15 m \\ 7 k + 8 k & 4 + 5 & 0 + 0 \end{array}] = [\begin{array}{c} 41 & - 69 & 105 \\ 45 & 9 & 0 \end{array}]$

Schritt 2.4

Addiere $7 k$ und $8 k$ .

$[\begin{array}{c} 11 a + 8 & 14 z + 1 & 15 m \\ 15 k & 4 + 5 & 0 + 0 \end{array}] = [\begin{array}{c} 41 & - 69 & 105 \\ 45 & 9 & 0 \end{array}]$

Schritt 2.5

Addiere $4$ und $5$ .

$[\begin{array}{c} 11 a + 8 & 14 z + 1 & 15 m \\ 15 k & 9 & 0 + 0 \end{array}] = [\begin{array}{c} 41 & - 69 & 105 \\ 45 & 9 & 0 \end{array}]$

Schritt 2.6

Addiere $0$ und $0$ .

$[\begin{array}{c} 11 a + 8 & 14 z + 1 & 15 m \\ 15 k & 9 & 0 \end{array}] = [\begin{array}{c} 41 & - 69 & 105 \\ 45 & 9 & 0 \end{array}]$

Schritt 3

Write as a linear system of equations.

$11 a + 8 = 41$

$14 z + 1 = - 69$

$15 m = 105$

$15 k = 45$

$9 = 9$

$0 = 0$

Schritt 4

Since $0 = 0$ is always true, the matrix equation has infinite solutions.

Infinite solutions satisfying the system.