Practice problem
Consider the matrices AAA, BBB, CCC:
Which of the following statements are true?
I. B=C+AB=C+AB=C+A
II. B−A=CB-A=CB−A=C
III. B+A=CB+A=CB+A=C
I only
I & II
I & III
II only
Type a concept, like “slope” or “photosynthesis”.