{"schema_version":3,"id":"home-ens-cours-012","url":"/questions/home-ens-cours-012/","theme":"ensembles","parcours":"commun|spe|ens_sci|techno","niveau":2,"type":"qcm","consigne":"Dans quel ensemble minimal appartient i ?","amorce":"On sait que i² = −1.","choices":["ℂ","ℝ","ℚ","ℤ"],"reponse":"ℂ","correction":{"repere":"Observe la définition de i.","agis":"Choisis l’ensemble contenant a + ib.","pourquoi":"i est complexe non réel : il appartient à ℂ.","verification":"Aucun réel au carré ne vaut −1."},"empreinte":"23e1c5a54fa38ba083f5ea709a42a5da02881643b4f651af4dc42cb23cdba374","canonical_url":"https://unpointdeplus.com/questions/home-ens-cours-012/","memberships":[{"set_id":"ensembles-revision","titre":"Réviser les ensembles de nombres","etape":"Révision 12","position":12,"total":12,"set_url":"https://unpointdeplus.com/sets/ensembles-revision/","url":"https://unpointdeplus.com/questions/home-ens-cours-012/"}],"navigation":{"set_id":"ensembles-revision","titre":"Réviser les ensembles de nombres","position":12,"total":12,"revision":"1-ed7ac45c62f0d0e7615a2717-nav-4f53cda18c2baa0c","up":{"kind":"set","id":"ensembles-revision","label":"Présentation du set","url":"https://unpointdeplus.com/sets/ensembles-revision/"},"previous":{"kind":"question","id":"home-ens-cours-011","label":"← Question précédente","url":"https://unpointdeplus.com/questions/home-ens-cours-011/"},"next":{"kind":"set_end","id":"ensembles-revision","label":"Continuer","url":"https://unpointdeplus.com/sets/ensembles-revision/fin/"}}}