Algebra Lineal-EXAMEN T1-Números Complejos

Algebra Lineal-EXAMEN T1-Números Complejos

University

29 Qs

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Algebra Lineal-EXAMEN T1-Números Complejos

Algebra Lineal-EXAMEN T1-Números Complejos

Assessment

Quiz

Mathematics

University

Practice Problem

Hard

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29 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Sean
z = 2 + 3i  y  w = 5 - 4i
Calcular:
3w - 5z
Valor: 5 puntos

27 - 5i
5 - 27i
5 + 27i
27 + 5i

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Sean
z = 2 + 3i  y  w = 5 - 4i
Calcular:
z * w
Valor: 5 puntos

22 + 7i
22- 7i
7 - 22i
7 + 22i

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Sean
z = 2 + 3i  y  w = 5 - 4i
Calcular:
z / w
Valor: 5 puntos

2/41 + 23/41 i
23/41 + 2/41 i
- 2/41 + 23/41 i
23/41 - 2/41 i

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

¿Cuál es la forma polar del número complejo z = 4 + 4i ?

Valor: 0.625 puntos

z = (4√2)₄₅°
z = (2√4)₁₃₅°
z = (4√2)₁₃₅°
z = (2√4)₄₅°

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

¿Cuál es la forma trigonométrica del número complejo
z = 4 + 4i ? 
Valor: 0.625 puntos

z = 2√4 (cos 135° + i sen 135°)
z = 4√2 (cos 135° + i sen 135°)
z = 4√2 (cos 45° + i sen 45°)
z = 2√4 (cos 45° + i sen 45°)

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

¿Cuál es el complejo conjugado en su forma binómica del número complejo:  z = 4 + 4i ? 
Valor: 0.625 puntos

z̅ = - 4 - 4i
z̅ = 2 - 2i
z̅ = 4 - 4i
z̅ = 2 + 2i

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

¿Cuál es el complejo conjugado en su forma polar del número complejo:  z = 4 + 4i ? 
Valor: 0.625 puntos

z̅ = (4√2)-₄₅°
z̅ = (4√2)₄₅°
z̅ = (2√4)₉₀°
z̅ = (2√4)-₉₀°

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