Complexos_ Consolidação_12A

Complexos_ Consolidação_12A

12th Grade

10 Qs

quiz-placeholder

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Complexos_ Consolidação_12A

Complexos_ Consolidação_12A

Assessment

Quiz

Mathematics

12th Grade

Medium

Created by

Ana Alegre

Used 1+ times

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

O complexo  z1=1+iz_1=-1+i escrito  forma trigonométrica é:

 2ei 3π42e^{i\ \frac{3\pi}{4}}  

 2ei 5π4\sqrt{2}e^{i\ \frac{5\pi}{4}}  

 2ei 3π4\sqrt{2}e^{i\ \frac{3\pi}{4}}  

 ei 4π3e^{i\ \frac{4\pi}{3}}  

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Considere o número complexo z=2ei π3z=2e^{i\ \frac{\pi}{3}}  . 
O conjugado de  zz  é

 2ei π3-2e^{i\ \frac{\pi}{3}}  

 2ei π32-e^{i\ \frac{\pi}{3}}  

 2ei (4π3)2e^{i\ \left(\frac{4\pi}{3}\right)}  

 2ei (π3)2e^{i\ \left(-\frac{\pi}{3}\right)}  

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 Considere o número complexo z=2ei π3z=2e^{i\ \frac{\pi}{3}} .
O simétricos de  zz  é:

 2ei 4π32e^{i\ \frac{4\pi}{3}}  

 2ei( π3)2e^{i\left(-\ \frac{\pi}{3}\right)}  

 2ei 2π32e^{i\ \frac{2\pi}{3}}  

 2ei 4π3-2e^{i\ \frac{4\pi}{3}}  

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 2ei π32e^{i\ \frac{\pi}{3}}  é uma raiz quarta de um número complexo  zz  
Qual dos seguintes números não é uma raíz quarta de zz  ?

 2ei 5π62e^{i\ \frac{5\pi}{6}}  

 2ei 2π32e^{i\ \frac{2\pi}{3}}  

 2ei 11π62e^{i\ \frac{11\pi}{6}}  

 2ei 4π32e^{i\ \frac{4\pi}{3}}  

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

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 Qual dos pontos pode ser o afixo de zz\frac{z}{\overline{z}}  ?

 z1z_1  

 z2z_2  

 z3z_3  

 z4z_4  

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

z+1=zi\left|z+1\right|=\left|z-i\right|

z1=z+i\left|z-1\right|=\left|z+i\right|

z+1i=1\left|z+1-i\right|=1

z1+i=i\left|z-1+i\right|=i

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

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