#matrices fm

3 messages · Page 1 of 1 (latest)

keen holly May 13, 2024, 7:59 AM

please can someone help me with this question

<@&791435371564892232>

opaque belfry May 13, 2024, 8:02 AM

AB = BA
A(ABA) = BA
AABAA^-1 = BAA^-1, AAB = B
AABB^-1 = BB^-1, AA = I
Therefore A² = I