Math, asked by HMurmu3539, 1 year ago

Consider a subset x of all non singular 2x2 which obey the law (ab)2=a2b2, then for any a,b in x, ab-ba is

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Answered by kylar890
7

HINT: Multiply (AB)2=A2B2(AB)2=A2B2 on the left by A−1A−1 and on the right by ...

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