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10 Nov 2019
"A" is 2x2 matrix, ((a,b),(c,d)).
When 2x2 matrix "B" exists such that AB-BA=A, then prove (part 1) and (part2).
Part 1 : a+d=0 Part 2 : AA=0
"A" is 2x2 matrix, ((a,b),(c,d)).
When 2x2 matrix "B" exists such that AB-BA=A, then prove (part 1) and (part2).
Part 1 : a+d=0
Part 2 : AA=0
2. A-C)ì¼ AB-BA-Aê° ëë ì´ì°¨ ì ì¬ê°íë ¬ Bê° ì¡´ì¬í ë, ë¤ìì ì¤ ë, c d ëª íì¬ë¼ a+ (1) =0 (2) A2 o
Casey DurganLv2
27 Jul 2019
