Questions 441–450 of 650. Imported answers require independent review unless marked reviewed.

Topic practice 650 questionsPage 45 of 65

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?
Your answerChoose one option.

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Question 42

Open question
MAMCQ2 marksNeeds review
Let

,

. The system

has NO basic feasible solution if
Your answerChoose one option.

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Question 43

Open question
MAMCQ2 marksNeeds review
Let

and let

. For

, define

. Then
Your answerChoose one option.

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Question 44

Open question
MANAT2 marksNeeds review
Suppose that

and

are linearly independent solutions of the differential equation

, and

. Then the smallest positive integer

such that

is

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Question 45

Open question
MANAT2 marksNeeds review
Suppose that

,

and

,

. If

, then the value of

is equal to

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Question 46

Open question
MANAT2 marksNeeds review
If

,

and

, then

is equal to (correct up to one decimal place)

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Question 47

Open question
MANAT2 marksNeeds review
Let

, where

is a primitive cube root of unity. Then the degree of extension of

over

is

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Question 48

Open question
MANAT2 marksNeeds review
Let

. If

is an optimal solution of the linear programming problem
minimize

subject to

then the maximum value of

is

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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 50

Open question
MANAT2 marksNeeds review
Let

and let

be the surface of the tetrahedron bounded by the planes

If

is the unit outward normal to the tetrahedron, then the value of

is (rounded off to two decimal places)

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