Найти алгебраическое дополнение элемента а𝟏𝟐 матрицы 𝑨 = ( 𝟑 −𝟐 𝟏 𝟓 −𝟖 𝟗 𝟐 𝟏 𝟏 )

Матрицы и определители

Quiz
•
Mathematics
•
12th Grade
•
Easy
Hoo Mee3
Used 1+ times
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25 questions
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1.
OPEN ENDED QUESTION
3 mins • 1 pt
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2.
OPEN ENDED QUESTION
3 mins • 1 pt
Найти минор элемента а𝟏𝟑 матрицы ( 𝟑 −𝟐 𝟏 𝟓 −𝟖 𝟗 𝟐 𝟏 𝟏 )
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3.
OPEN ENDED QUESTION
3 mins • 1 pt
Найти произведение 𝟑 ⋅ ( 𝟐 −𝟕 𝟒 𝟑 )
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4.
OPEN ENDED QUESTION
3 mins • 1 pt
Найти произведение матриц: (𝟕 −𝟐 𝟑) ∙ ( 𝟒 −𝟏 −𝟓 )
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5.
OPEN ENDED QUESTION
3 mins • 1 pt
Найти произведение матриц ( 𝟐 −𝟑 𝟕 𝟓 ) ⋅ ( х у)
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6.
OPEN ENDED QUESTION
3 mins • 1 pt
Определитель 2–го порядка | а в с к | равен
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7.
OPEN ENDED QUESTION
3 mins • 1 pt
Если А−𝟏 – обратная матрица для матрицы А, то А−𝟏А = АА−𝟏 и равно
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