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OpenStudy (anonymous):
what is the additive iddentity for 2x4 matrices
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OpenStudy (amistre64):
an additive identity is what you add to get the same value. 0 is the identity for addition; 1 is the identity for multiplications; I got no idea at the moment what it is for a matrix; but whatever it is, it makes it equal itself
OpenStudy (anonymous):
it would be a matrix of all 0s.
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