
Kopfrechnen mit komplexen Zahlen
Quiz
•
Mathematics
•
11th Grade - University
•
Hard

Daina Punka
Used 2+ times
FREE Resource
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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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