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Considere a matriz A=(2113). Calcule Det(A).
7
4
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Seja A=(202156−134). Calcule Det(A).
56
20
10
30
Calcular o valor de x, sabendo que A=|3x−3−1103422x−1| = 0.
x=−4113
x=−4213
x=−4112
x=−41