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OpenStudy (anonymous):
A= (3 8 3; 7 4 9) B= (-3 5 3; 7 -4 5) what is A+B and A-B??? if you could please explain too, im struggling a lot with matrices.
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OpenStudy (zarkon):
add and subtract coordinate wise
OpenStudy (anonymous):
how do i find the solution for the first row 3rd column?
OpenStudy (zarkon):
for A+B the first row 3rd column is 3+3=6
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