1.

MatricesA and B are givenbelow.FindA+B,B+A,A-BandB -A Verify that A+B=B+A and B-A=-(A-B).A=[{:(7),(1):}]B=[{:(-6),(9):}]

Answer»

SOLUTION :`A+B =[[1],[10]],B+A=[[1],[10]]`
`A-B=[[13],[-8]],B-A=[[-13],[8]]`
`:. A+B=B+A "and" B-A =-(A-B)`


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