Questions 31–40 of 58. Imported answers require independent review unless marked reviewed.

Topic practice 58 questionsPage 4 of 6

Question 12

Open question
MAMCQ1 markNeeds review
Let

be a twice continuously differentiable scalar field such that

. Let

be the surface

and

be unit outward normal to

. Then the value of

is
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Question 15

Open question
MANAT1 markNeeds review
Let

be differentiable. Let

and

be the direction derivatives of

at

in the directions of the unit vectors

and

, respectively. If

and

, then

_____.

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Question 16

Open question
MANAT1 markNeeds review
Let

denote the boundary of the square region

with vertices

,

,

and

oriented in the counter-clockwise direction. Then

__________.

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Question 37

Open question
MAMCQ2 marksNeeds review
Let

be given by

Consider the following statements: P:

is continuous at

but

is NOT differentiable at

. Q: The directional derivative

of

at

exists in the direction of every unit vector

. Then
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Question 38

Open question
MAMCQ2 marksNeeds review
Let

be the solid region in

bounded by the paraboloid

and the plane

. Then the value of

is
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Question 39

Open question
MAMCQ2 marksNeeds review
Let

be given by

. Then

has
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Question 40

Open question
MAMCQ2 marksNeeds review
The equation

can be solved in a neighborhood of the point

as

for some continuously differentiable function

. Then
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Question 2

Open question
MAMCQ1 markNeeds review
Let

. If the function

is defined by

then
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Question 9

Open question
MAMCQ1 markNeeds review
If

and

are critical points of the function

where

, then
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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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