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MATEMATIKA 1 Senka Banic PREDAVANJA (grupa G1): utorak i ...

MATEMATIKA 1 Senka Banic PREDAVANJA (grupa G1): utorak i ...

MATEMATIKA 1 Senka Banic PREDAVANJA (grupa G1): utorak i ...

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z = x + yi - algebarski oblik kompleksnog broja z.Napomena: VrijediR CiR = fiy j y 2 Rg CSkup iR se naziva skup imaginarnih brojeva.Za z 1 = x 1 + y 1 i; z 2 = x 2 + y 2 i 2 C kaemo da sujednaki ako i samo ako su im jednaki realni i imaginarnidjelovi, tj.x 1 + y 1 i = x 2 + y 2 i () x 1 = x 2 ^ y 1 = y 2 :Za svaki z = x + yi 2 C; deniramo pripadnikonjugirano kompleksni brojz = x yi 2 C:Za svaki z = x + yi 2 C; deniramo modul iliapsolutnu vrijednost kompleksnog broja z kaonenegativni realni brojr = jzj = p x 2 + y 2 2 R + [ f0g :

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