How to practice concept:matrices

Attempt a question, record the concept and assumptions, then check the available answer. Rework mistakes after revising the relevant concepts. Topic tags can overlap; review the question context.

Questions 1–3 of 3. Imported answers require independent review unless marked reviewed.

Topic practice 3 questionsPage 1 of 1

Question 11

Open question
MTMCQ1 markNeeds review
Which one of the following matrices has eigenvalues 1 and 6?
Your answerChoose one option.

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Question 41

Open question
MTMCQ2 marksNeeds review
Which one of the following matrices is orthogonal?
Your answerChoose one option.

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Question 55

Open question
MTNAT2 marksNeeds review
M and N are

matrices. If the det(M) is −9 and the det(N) is −14, then the det(NM) is ______ (round off to the nearest integer).

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