математика 36-75

математика 36-75

University

40 Qs

quiz-placeholder

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математика 36-75

математика 36-75

Assessment

Quiz

English

University

Practice Problem

Medium

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40 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Если квадратная матрица содержит две одинаковые строки (столбца),

то ее определитель

det>0

det=1

det =0

det<0

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Если элементы двух строк (столбцов) матрицы пропорциональны, то

ее определитель

det<0

det=0

det>0

det=1

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Размер матрицы С=А1х2×В2х3 равен


С2х2

С2х6

С2х3

С1х3

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Размер матрицы С=А2х2×В2х3 равен

С1х2

С2х3

С4х6

С1х3

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Размер матрицы С=А5х2×В2х4 равен

С5х4

С2х2

С10х8

С3х2

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Размер матрицы С=А2х1×В2х3 равен

С2х2

С1х3А1А21В21С2=0

Нет правильного ответа

С1х2

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Даны матрицы А=( 2 4 ; 8 3 ) и В=( -1 2 ; 3 0) их сумма равна

(-2 8; 24 0)

( 1 6 ; 11 3)

(-2 8 ; 24 0)

( 3 2 ; 5 3)

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