Kopfrechnen mit komplexen Zahlen

Kopfrechnen mit komplexen Zahlen

11th Grade - University

10 Qs

quiz-placeholder

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Kopfrechnen mit komplexen Zahlen

Kopfrechnen mit komplexen Zahlen

Assessment

Quiz

Mathematics

11th Grade - University

Hard

Created by

Daina Punka

Used 2+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Addition: ( 3 - i ) + ( -2 + 6i )

( 5 + 5i)

( 1 + 5i )

( -6 - 6i² )

( -1 + 7i )

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Multiplikation: ( 10 + 9i ) * ( 10 - 9i )

20 - 18i

181i

100 + 81i²

181

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Multiplikation: ( r1 ; φ1° ) · ( r2 ; φ2° ) =

( r1 · r2 ; φ1° + φ2° )

( r1 · r2 ; φ1° · φ2° )

( r1 + r2 ; φ1° + φ2° )

( r1 + r2 ; φ1° · φ2° )

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Multiplikation: ( 2 ; 30° ) · ( 8 ; 90° ) =

( 10 ; 130° )

( 16 ; 120° )

( 16 ; 270° )

( 10 ; 270° )

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Potenzieren: ( 3 ; 15° )³ =

( 3² ; 30°)

( 9 ; 45° )

( 27 ; 3375° )

( 27 ; 45° )

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Division: ( 2 ; 270° ) : ( 1 ; 90° )

( 2 ; 180° )

( 0,5 ; 3° )

( 0,5 ; 180° )

( 2 ; 360° )

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Wurzelziehen: Die Gleichung x³ - 1 = 0 hat

x1 = -1, x2 = 1 als Lösungen

3 Lösungen in ℂ

1 Lösung in ℂ ( x = 1 )

unendlich viele Lösungen in ℂ

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