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Векторы

Authored by Евгения Дмитрук

Mathematics

University

Used 5+ times

Векторы
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9 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Дан вектор a . Указать

вектор 0.5a

a

b

c

d

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Даны два вектора a и b . Указать вектор а+b

a

b

c

d

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

.Даны два вектора a и b . Указать вектор a-b

a

b

c

d

4.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Даны векторы a = (2;3;1) и b = (-3;1;-2) . Найти координаты вектора 2a b .

(1;–7;0)

(1;7;0)

(1;–7;3)

(1;5;-2)

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Даны точки A(5;4;–1) и B(2;2;0). Найти координаты вектора AB .

(2;-2;1)

(3;-2;1)

(2;2;1)

(-3;-2;1)

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Найти длину вектора a = (3;0;4)

7

3

10

5

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Найти скалярное произведение векторов a = (2;-2;7) и b = (1;3;0) .

1

-1

4

-4

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