Questions 41–50 of 62. Imported answers require independent review unless marked reviewed.

Topic practice 62 questionsPage 5 of 7

Question 9

Open question
GAMCQ2 marksNeeds review
For a matrix

,

, the diagonal elements are all zero and

. The minimum number of elements required to fully specify the matrix is _____.
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Question 12

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MAMCQ1 markNeeds review
Suppose that

is a

matrix with real entries and

. Then
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Question 27

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MAMCQ2 marksNeeds review
Suppose

is a finite dimensional non-zero vector space over

and

is a linear transformation such that

. Then which of the following statements is FALSE?
Your answerChoose one option.

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Question 28

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MAMCQ2 marksNeeds review
Let

. Consider the following statements: I: If

for all

and

, then

. II: If

,

is symmetric and

, then

. Then
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Question 41

Open question
MAMCQ2 marksNeeds review
Suppose

is a finite dimensional vector space over

. If

and

are subspaces of

, then which of the following statements is TRUE?
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Question 49

Open question
MANAT2 marksNeeds review
Suppose that

is a linear transformation over

satisfying


Then the coefficient of

in

is

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Question 20

Open question
MANAT1 markNeeds review
If the characteristic polynomial and minimal polynomial of a square matrix

are

and

, respectively, then the rank of the matrix

is _____, where

is the identity matrix of appropriate order.

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Question 36

Open question
MAMCQ2 marksNeeds review
Let

be a

real symmetric matrix with eigenvalues

,

and

with the respective eigenvectors

,

and

.
Consider the following statements:
I.

.
II. The vector

satisfies

.
III. For any

,

has a solution.
IV. The trace of the matrix

is 8.
(

denotes the transpose of the vector

)
Which of the above statements are TRUE?
Your answerChoose one option.

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Question 41

Open question
MAMCQ2 marksNeeds review
Let

be the vector space of all polynomials of degree at most 2 over

(the set of real numbers). Let a linear transformation

be defined by

Consider the following statements.
I. The null space of

is

.
II. The range space of

is spanned by the set

.
III.

.
IV. If

is the matrix representation of

with respect to the standard basis

of

, then the trace of the matrix

is 3.
Which of the above statements are TRUE?
Your answerChoose one option.

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Question 46

Open question
MANAT2 marksNeeds review
Let

be the vector space of all

matrices with complex entries over the real field. If

then the dimension of

is equal to ______. (

denotes the conjugate transpose of

)

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