
математика 36-75
Quiz
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English
•
University
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Practice Problem
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Medium
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40 questions
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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
С1х3А1А2+В1В2+С1С2=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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