Questions 11–20 of 21. Imported answers require independent review unless marked reviewed.

Topic practice 21 questionsPage 2 of 3

Question 51

Open question
ECNAT2 marksNeeds review
For the solid

shown below, the value of

(rounded off to two decimal places) is __________ .
Diagram for Electronics and Communication Engineering question 51


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Question 19

Open question
ECNAT1 markNeeds review
The value of the integral

, is equal to _____.

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Question 26

Open question
ECMCQ2 marksNeeds review
Consider a differentiable function

on the set of real numbers such that

and

. Given these conditions, which one of the following inequalities is necessarily true for all

?
Your answerChoose one option.

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Question 12

Open question
ECMCQ1 markNeeds review
Let

, where a and b are constants. If

at

and

, then the relation between a and b is
Your answerChoose one option.

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Question 24

Open question
ECNAT1 markNeeds review
Taylor series expansion of

around

has the form

The coefficient

(correct to two decimal places) is equal to ______.

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Question 52

Open question
ECNAT2 marksNeeds review
Let

and

. Assume that

and

are independent variables. At

, the value (correct to two decimal places) of

is ________ .

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Question 26

Open question
ECMCQ2 marksNeeds review
Let

for real

. From among the following, choose the Taylor series approximation of

around

, which includes all powers of

less than or equal to 3.
Your answerChoose one option.

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Question 26

Open question
ECMCQ2 marksNeeds review
The values of the integrals

and

are
Your answerChoose one option.

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Question 27

Open question
ECNAT2 marksNeeds review
A three dimensional region

of finite volume is described by

where

are real. The volume of

(up to two decimal places) is ________.

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Question 30

Open question
ECNAT2 marksNeeds review
Starting with

, the solution of the equation

, after two iterations of Newton-Raphson’s method (up to two decimal places) is __________.

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