Quiz about NUMEROS COMPLEJOS

Question 1

El conjugado de (3+7i) es

Accepted Answer

3-7i

Answer

-3-7i

Answer

-3 + 7i

Answer

Ninguna de las mencionadas

Question 2

El opuesto de (5,8) es

Accepted Answer

(-5,-8)

Answer

(5,-8)

Answer

(-5,8)

Answer

Ninguna de las mencionadas

Question 3

La suma de Z = (5, 4) y W= (3, 8) es igual a

Accepted Answer

(8, 12)

Answer

(12, 8)

Answer

(13, 7)

Answer

(9, 12)

Answer

Ninguna de las mencionadas

Question 4

Gerolamo Cardano fue el primero en difundir la idea de la unidad imaginaria.

Accepted Answer

Verdadero

Answer

Falso

Question 5

El cociente $$\frac{3-i}{4+2i}$$ es igual a

Accepted Answer

$$\frac{1}{2}-\frac{1}{2}i$$

Answer

10 - 10i

Answer

10 + 10i

Answer

$$-\frac{1}{2}-\frac{1}{2}i$$

Question 6

El inverso multiplicativa de (4 + 2i) es

Accepted Answer

$$\frac{1}{5}-\frac{1}{10}i$$

Answer

$$-\frac{1}{5}-\frac{1}{10}i$$

Answer

$$\frac{1}{5}+\frac{1}{10}i$$

Answer

$$-\frac{1}{5}+\frac{1}{10}i$$

Question 7

Si $$Z=\sqrt{2}+\sqrt{6}i$$ entonces su forma polar al cuadrado $$\left(Z^2\right)$$ es...

Accepted Answer

$$8_{\ 120°}$$

Answer

$$16\ _{60°}$$

Answer

$$64_{\ 240°}$$

Answer

$$\left(\sqrt[]{8},60°\right)$$

Question 8

El modulo del complejo $$Z=\sqrt[]{13}+6i$$ es

Accepted Answer

7

Answer

19

Answer

8

Answer

$$\sqrt[]{78}$$

Question 9

El numero complejo que indica el vector de la imagen es

Accepted Answer

-4 + 2i

Answer

2 - 4i

Answer

4 + 2i

Answer

-4 - 2i

Question 10

Si u = 3-3i y w = 3-6i entonces u-w es igual a:

Accepted Answer

3i

Answer

-3i

Answer

6 + 3i

Answer

6 - 9i

Question 11

Si z=3-5i entonces $$\left|z\right|^2=34$$

Accepted Answer

Verdadero

Answer

Falso

Question 12

El conjugado de 6i es -6i

Accepted Answer

Verdadero

Answer

Falso

NUMEROS COMPLEJOS

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