Questions 31–39 of 39. Imported answers require independent review unless marked reviewed.

Topic practice 39 questionsPage 4 of 4

Question 35

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The inverse of the matrix

is
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Question 1

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Which one of the following matrices is singular?
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Question 2

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For the given orthogonal matrix

,

The inverse is
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Question 26

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The matrix

has
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Question 28

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The rank of the following matrix is

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Question 1

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The matrix P is the inverse of a matrix Q. If I denotes the identity matrix, which one of the following options is correct?
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Question 1

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Consider the following simultaneous equations (with

and

being constants):



The characteristic equation for these simultaneous equations is
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Question 28

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Consider the matrix

. Which one of the following statements is TRUE for the eigenvalues and eigenvectors of this matrix?
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Question 28

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If

and

,

is equal to
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