Mathematics, 19.05.2021 23:50, petriajack5543

Considere uma matriz A quadrada de ordem n. Sejam também as seguintes matrizes: B1, que se obtém de A somando à linha i desta matriz uma constante k; B2, que se obtém de A subtraindo à linha i desta matriz a mesma constante k. Mostre que: | A | = 1/2 ( | B 1 | + | B 2 | )

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Considere uma matriz A quadrada de ordem n. Sejam também as seguintes matrizes: B1, que se obtém de...