Ramirez Savage
06/27/2024 · Senior High School

QUESTĀO 5. Considere as matrizes A de ordem 3 , definida por aij \( =\mathrm{i}+\mathrm{j} \), a soma dos elementos da diagonal principal é igual à soma dos elementos da diagonal secundária? a) Sim, são iguais pois os elementos da diagonal principal e os elementos da diagonal secundária somam 12 cada uma delas. b) Sim, são iguais pois os elementos da diagonal principal e os elementos da diagonal secundária somam 24 cada uma delas. c) Não são iguais, pois os elementos da diagonal principal somam 11 e os elementos da diagonal secundária somam 12 . d) Não são iguais, pois os elementos da diagonal principal somam 12 e os elementos da diagonal secundária somam 11 . e) Nenhuma das alternativas anteriores.

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Sim, são iguais pois os elementos da diagonal principal e os elementos da diagonal secundária somam 12 cada uma delas.

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