Комплексные числа

Комплексные числа

11th Grade

10 Qs

quiz-placeholder

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Комплексные числа

Комплексные числа

Assessment

Quiz

Mathematics

11th Grade

Hard

Created by

A Corporation

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Выделите действительную часть в комплексном выражении

z=17+20i

20

17

20i

37

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Найдите сумму действительного числа и мнимого в выражении

z=2+7i

2

7

9

10

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Найдите сумму двух комплексных чисел:
z1​=2+3i и z2​=1+4i

1+7i

3+7i

1−i

3−7i

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Вычислите модуль комплексного числа

z=3+4i

3

4

5

корень из 7

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Найдите произведение комплексных чисел:

(1+2i)⋅(3−i)

5+i

3−2i

5+5i

7+i

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Найдите сопряжённое число к z=6−5i

6+5i

−6−5i

−6+5i

6−5i

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Чему равно квадрат комплексного числа i?

1

-1

0

i

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