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Mathematics 16 Online
Study2Learn:

What is the multiplicative identity for matrix D? http://prntscr.com/kqjmzt

Vocaloid:

|dw:1536077311226:dw| it should be the matrix w/ 1's going from the top left to the bottom right, with 0's in every other space

Study2Learn:

So, wouldn't A be the answer?

Vocaloid:

yes

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