Questions 241–250 of 650. Imported answers require independent review unless marked reviewed.

Topic practice 650 questionsPage 25 of 65

Question 46

Open question
MAMSQ2 marksNeeds review
Consider the rings

where

denotes the ideal generated by

in

and

denotes the ideal generated by

in

.
Which of the following statements is/are correct?
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Question 47

Open question
MAMSQ2 marksNeeds review
Consider the sequence of Lebesgue measurable functions

given by

For a measurable subset

of

, denote

to be the Lebesgue measure of

.
Which of the following statements is/are correct?
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Question 48

Open question
MAMSQ2 marksNeeds review
Define the characteristic function

of a subset

in

by

For

, let

Let

be defined by

Consider the following two statements:

:

for every

.

:

.
Then
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Question 49

Open question
MAMSQ2 marksNeeds review
Let

,

,

, be two functions satisfying the following system of differential equations:

and

,

, where

are real numbers.
Which of the following statements is/are correct?
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Question 50

Open question
MAMSQ2 marksNeeds review
For

, and

, let

be a three-point formula to approximate

for any differentiable function

and

.
If

for every polynomial

of degree less than or equal to 2 and for all

, then
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Question 51

Open question
MAMSQ2 marksNeeds review
Let

be a twice continuously differentiable function on

such that

and

for all

. Let

for some

. The Newton-Raphson method to compute

is given by

for an initial guess

.
If

for some

, then which of the following statements is/are correct?
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Question 52

Open question
MAMSQ2 marksNeeds review
Let

be defined by

Then
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Question 53

Open question
MAMSQ2 marksNeeds review
Let

and

For each

, define

by

for all

.
Let

.
Which of the following statements is/are correct?
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Question 54

Open question
MAMSQ2 marksNeeds review
Let

be an abelian group and

be a surjective group homomorphism. Let

for some

. Consider the following statements:

: For every

, there exists an

such that

.

: Let

be the identity of

and

be the subgroup generated by

. Then

and

.
Which of the following statements is/are correct?
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Question 55

Open question
MANAT2 marksNeeds review
Let

be the curve of intersection of the cylinder

and the plane

. Suppose

is oriented in the counterclockwise direction and the

-axis, when viewed from above. If

then the value of

equals __________.

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