
Números complexos FVA 11-05-2020
Authored by Pedro Amieiro
Mathematics
12th Grade
Used 6+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Considere, em C, os números complexos e , .
Se é um número real, qual é o valor de ?
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Considere, em C , um número complexo w diferente de zero.
Em qual das opções, está indicada a representação no plano da condição
Eixo real
Eixo imaginário
Bissetriz dos quadrantes pares
Bissetriz dos quadrantes ímpares
3.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Considere o complexo . Sejam as raízes da equação:
.
Seja A o afixo de , B o afixo da raiz em que Im(z) > 0 e C o afixo da restante raiz.
Qual é o perímetro do triângulo [ABC]?
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Considere, em C , os complexos e .
Qual das seguintes representa o conjunto dos pontos do plano complexo sombreado?
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Sejam w e z dois números complexos, tais que: . Determine o conjunto dos números complexos z , tal que w seja um imaginário puro.
Circunferência de centro e raio
Circunferência de centro e raio
Circunferência de centro e raio
Circunferência de centro e raio
6.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
A representação geométrica, no plano complexo, da condição é uma linha. O comprimento dessa linha é:
5
25
10
12
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Seja 𝒛 um número complexo de argumento .
Qual poderá ser um argumento do complexo resultante do produto de por ?
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