Domača naloga MatR.5

Naj bosta A,B\in M_2(\mathbb R) matriki, katerih determinanta je enaka 1. Pokaži, da je {\rm tr}\, (AB)+{\rm tr}\, (AB^{-1}) = {\rm tr}\, (A)\cdot {\rm tr}\, (B). Tukaj {\rm tr} označuje sled matrike.

Rok za oddajo je petek, 8.januar ob 10:00. Naloge oddajte v moj poštni predal na Gosposvetski 84. Zagovori bodo v ponedeljek, 11.januarja pri Gregorju Donaju.

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