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Mathematics, 09.07.2019 05:10 carlosthenoob03

Aequação x³ - 147x + 686 = 0 tem por raízes os números 'm' e 'n', sendo m raiz dupla e 'n' = - 2m. nessas condições, o valor de m + n é?

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Aequação x³ - 147x + 686 = 0 tem por raízes os números 'm' e 'n', sendo m raiz dupla e 'n' = - 2m. n...

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