Matrices - Cool math Algebra Help Lessons

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Coolmath Algebra
Matrices Lesson 5 - The Identity Matrix (page 3 of 3)
---- This algebra lesson explains what the identity is and how it works

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TRY IT:

A = [ row 1: -5 , 6 , -4 row 2: 3 , -9 , 1 row 3: 8 , 2 , 0 ]

Find .

A = [ row 1: 6 , 2 , 8 row 2: 10 , -1 , 9 row 3: -3 , 0 , 4 ]

B = [ row 1: 12 , -3 , 0 row 2: 2 , 0 , 1 row 3: 6 , 4 , 5 ]

Find .

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