Linear Algebra Examples

$[\begin{array}{c} 4 & 1 & 2 \\ 5 & 7 & 1 \\ 3 & 9 & 6 \end{array}] + [\begin{array}{c} 2 & 5 & 4 \\ 9 & 3 & 7 \\ 2 & 1 & 6 \end{array}]$

Step 1

Add the corresponding elements.

$[\begin{array}{c} 4 + 2 & 1 + 5 & 2 + 4 \\ 5 + 9 & 7 + 3 & 1 + 7 \\ 3 + 2 & 9 + 1 & 6 + 6 \end{array}]$

Step 2

Simplify each element.

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Step 2.1

Add $4$ and $2$ .

$[\begin{array}{c} 6 & 1 + 5 & 2 + 4 \\ 5 + 9 & 7 + 3 & 1 + 7 \\ 3 + 2 & 9 + 1 & 6 + 6 \end{array}]$

Step 2.2

Add $1$ and $5$ .

$[\begin{array}{c} 6 & 6 & 2 + 4 \\ 5 + 9 & 7 + 3 & 1 + 7 \\ 3 + 2 & 9 + 1 & 6 + 6 \end{array}]$

Step 2.3

Add $2$ and $4$ .

$[\begin{array}{c} 6 & 6 & 6 \\ 5 + 9 & 7 + 3 & 1 + 7 \\ 3 + 2 & 9 + 1 & 6 + 6 \end{array}]$

Step 2.4

Add $5$ and $9$ .

$[\begin{array}{c} 6 & 6 & 6 \\ 14 & 7 + 3 & 1 + 7 \\ 3 + 2 & 9 + 1 & 6 + 6 \end{array}]$

Step 2.5

Add $7$ and $3$ .

$[\begin{array}{c} 6 & 6 & 6 \\ 14 & 10 & 1 + 7 \\ 3 + 2 & 9 + 1 & 6 + 6 \end{array}]$

Step 2.6

Add $1$ and $7$ .

$[\begin{array}{c} 6 & 6 & 6 \\ 14 & 10 & 8 \\ 3 + 2 & 9 + 1 & 6 + 6 \end{array}]$

Step 2.7

Add $3$ and $2$ .

$[\begin{array}{c} 6 & 6 & 6 \\ 14 & 10 & 8 \\ 5 & 9 + 1 & 6 + 6 \end{array}]$

Step 2.8

Add $9$ and $1$ .

$[\begin{array}{c} 6 & 6 & 6 \\ 14 & 10 & 8 \\ 5 & 10 & 6 + 6 \end{array}]$

Step 2.9

Add $6$ and $6$ .

$[\begin{array}{c} 6 & 6 & 6 \\ 14 & 10 & 8 \\ 5 & 10 & 12 \end{array}]$