Questions 171–180 of 222. Imported answers require independent review unless marked reviewed.

Topic practice 222 questionsPage 18 of 23

Question 19

Open question
MANAT1 markNeeds review
The number of regular singular points of the differential equation

in the interval

is equal to ________.

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Question 20

Open question
MANAT1 markNeeds review
Let

be a field with

elements and let

be a subfield of

with 49 elements. Then the dimension of

as a vector space over

is ________.

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Question 21

Open question
MANAT1 markNeeds review
Let

be the real vector space of all continuous real valued functions on

, and let

be the linear operator on

given by

Then the dimension of the range space of

equals ________.

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Question 22

Open question
MANAT1 markNeeds review
Let

be such that the quadrature rule

is exact for all polynomials of degree less than or equal to 3. Then

________.

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Question 23

Open question
MANAT1 markNeeds review
Let

and

have joint probability density function given by

If

denotes the marginal probability density function of

, then

________.

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Question 24

Open question
MANAT1 markNeeds review
Let the cumulative distribution function of the random variable

be given by

Then

________.

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Question 25

Open question
MANAT1 markNeeds review
Let

be a sequence of independent Bernoulli random variables with

and let

. Then

converges, in probability, to ________.

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Question 40

Open question
MANAT2 marksNeeds review
Let

be the vector space of all

real matrices over the field

. Define the linear transformation

by

, where

denotes the transpose of the matrix

. Then the trace of

equals _________.

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Question 41

Open question
MANAT2 marksNeeds review
Consider

with the usual inner product. If

is the distance from

to the subspace

of

, then

_________.

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Question 42

Open question
MANAT2 marksNeeds review
Consider the matrix

with

, where

is the

identity matrix and

is the transpose of

. If

and

are two distinct eigenvalues of

, then

_________.

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