OpenStax, Algebra and Trigonometry 2e §11.5 Matrices and Matrix Operations · Example 7 · Linear Algebra · Matrices

Finding the Sum and Difference of Two 3 x 3 Matrices

Given $A$ and $B :$

ⓐFind the sum.
ⓑFind the difference.

$A = 2144 - 10 12 - 2 - 2 102 and B = 60 - 5 10 - 12 2 - 2 - 4 - 2$

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OpenStax, Algebra and Trigonometry 2e · §11.5 Matrices and Matrix Operations · Example 7

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