Números complejos III

Números complejos III

11th Grade

10 Qs

quiz-placeholder

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Números complejos III

Números complejos III

Assessment

Quiz

Mathematics

11th Grade

Medium

Created by

Ana Cristina Ruiz

Used 10+ times

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Halla en forma binómica

 (3i)i312i\frac{\left(3-i\right)\cdot i^3}{1-2i}  

 1i1-i  

 1+i-1+i  

 13i12i\frac{-1-3i}{1-2i}  

 1+i1+i  

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Calcula

 20π34π6\frac{20_{\frac{\pi}{3}}}{4_{\frac{\pi}{6}}}  expresando el resultado en forma binómica

 5π6=532+52i5_{\frac{\pi}{6}}=\frac{5\sqrt{3}}{2}+\frac{5}{2}i  

 52π=55_{2\pi}=5  

 55π6=532+52i5_{\frac{5\pi}{6}}=-\frac{5\sqrt{3}}{2}+\frac{5}{2}i  

 53π2=5i5_{\frac{3\pi}{2}}=-5i  

3.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Señala TODAS las soluciones complejas de la ecuación  z3+8i=0z^3+8i=0  


 2i2i  

 3+i-\sqrt{3}+i  

 3i\sqrt{3}-i  

 2i-2i  

 3+i\sqrt{3}+i  

4.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Señala TODAS las soluciones complejas de la ecuación  z2+z+1=0z^2+z+1=0  


 11  

 12+32i-\frac{1}{2}+\frac{\sqrt{3}}{2}i  

 1232i-\frac{1}{2}-\frac{\sqrt{3}}{2}i  

 i-i  

 1232i\frac{1}{2}-\frac{\sqrt{3}}{2}i  

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Halla  xRx\in R  para que  xi1+2i\frac{x-i}{-1+2i}  sea imaginario puro

 2-2  

 22  

 2i2i  

 00  

6.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Señala TODAS las que SI son raíces de  \ ^4\sqrt{\left(-2+2\sqrt{3}i\right)^3}  

 22  

 2i-2i  

 2+i2+i  

 ii  

 2i2i  

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Calcula (320º)3260º\frac{\left(3_{20º}\right)^3}{2_{60º}}  

 (272)0º=272\left(\frac{27}{2}\right)_{0º}=\frac{27}{2}  

 (272)0º=272\left(\frac{27}{2}\right)_{0º}=-\frac{27}{2}  

 (272)90º=272i\left(\frac{27}{2}\right)_{90º}=\frac{27}{2}i  

 (272)270º=272i\left(\frac{27}{2}\right)_{270º}=-\frac{27}{2}i  

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