Linear Algebra Examples

$[\begin{array}{c} 1 & 2 & 3 \\ - 1 & 5 & 0 \\ 4 & 8 & 1 \end{array}] + [\begin{array}{c} 5 & 4 & - 3 \\ - 8 & 6 & 1 \\ 1 & 8 & 1 \end{array}]$

Step 1

Add the corresponding elements.

$[\begin{array}{c} 1 + 5 & 2 + 4 & 3 - 3 \\ - 1 - 8 & 5 + 6 & 0 + 1 \\ 4 + 1 & 8 + 8 & 1 + 1 \end{array}]$

Step 2

Simplify each element.

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Step 2.1

Add $1$ and $5$ .

$[\begin{array}{c} 6 & 2 + 4 & 3 - 3 \\ - 1 - 8 & 5 + 6 & 0 + 1 \\ 4 + 1 & 8 + 8 & 1 + 1 \end{array}]$

Step 2.2

Add $2$ and $4$ .

$[\begin{array}{c} 6 & 6 & 3 - 3 \\ - 1 - 8 & 5 + 6 & 0 + 1 \\ 4 + 1 & 8 + 8 & 1 + 1 \end{array}]$

Step 2.3

Subtract $3$ from $3$ .

$[\begin{array}{c} 6 & 6 & 0 \\ - 1 - 8 & 5 + 6 & 0 + 1 \\ 4 + 1 & 8 + 8 & 1 + 1 \end{array}]$

Step 2.4

Subtract $8$ from $- 1$ .

$[\begin{array}{c} 6 & 6 & 0 \\ - 9 & 5 + 6 & 0 + 1 \\ 4 + 1 & 8 + 8 & 1 + 1 \end{array}]$

Step 2.5

Add $5$ and $6$ .

$[\begin{array}{c} 6 & 6 & 0 \\ - 9 & 11 & 0 + 1 \\ 4 + 1 & 8 + 8 & 1 + 1 \end{array}]$

Step 2.6

Add $0$ and $1$ .

$[\begin{array}{c} 6 & 6 & 0 \\ - 9 & 11 & 1 \\ 4 + 1 & 8 + 8 & 1 + 1 \end{array}]$

Step 2.7

Add $4$ and $1$ .

$[\begin{array}{c} 6 & 6 & 0 \\ - 9 & 11 & 1 \\ 5 & 8 + 8 & 1 + 1 \end{array}]$

Step 2.8

Add $8$ and $8$ .

$[\begin{array}{c} 6 & 6 & 0 \\ - 9 & 11 & 1 \\ 5 & 16 & 1 + 1 \end{array}]$

Step 2.9

Add $1$ and $1$ .

$[\begin{array}{c} 6 & 6 & 0 \\ - 9 & 11 & 1 \\ 5 & 16 & 2 \end{array}]$