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Posted

Salut, dans l’annale d’outils maths de 2022-23, je ne comprends pas la notation C-{-i} dans le qcm 4. Est ce que ça revient à dire C privé de -i comme si on le notait \-i ? 

Merci d’avance pour vos réponses !

Posted

Cette notation signifie l'ensemble des complexes privé du contenu de l'ensemble contenant -i (les accolades {} signifient ensemble).

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