September 2019 0 179 Report

Oblicz wyznacznik macierzy :

\left[\begin{array}{ccc}x &y&x+y \\y&x+y&x \\x+y&x&y\end{array}\right]

Mi wyszło:-2x³-2y³

Dobrze?


+



 \left[\begin{array}{ccc}z&1 \\ 1 & z^*\end{array}\right]


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