Description

This mock test of Engineering Mathematics - MCQ Test - 1 for Electronics and Communication Engineering (ECE) helps you for every Electronics and Communication Engineering (ECE) entrance exam.
This contains 15 Multiple Choice Questions for Electronics and Communication Engineering (ECE) Engineering Mathematics - MCQ Test - 1 (mcq) to study with solutions a complete question bank.
The solved questions answers in this Engineering Mathematics - MCQ Test - 1 quiz give you a good mix of easy questions and tough questions. Electronics and Communication Engineering (ECE)
students definitely take this Engineering Mathematics - MCQ Test - 1 exercise for a better result in the exam. You can find other Engineering Mathematics - MCQ Test - 1 extra questions,
long questions & short questions for Electronics and Communication Engineering (ECE) on EduRev as well by searching above.

QUESTION: 1

Solution:

QUESTION: 2

Solution:

QUESTION: 3

The order of differential equation

Solution:

QUESTION: 4

The order of differential equation

Solution:

QUESTION: 5

Find the rank of matrix

Solution:

QUESTION: 6

The rank of Diag matrix [− 1 0 1 0 0 4] is ________

Solution:

QUESTION: 7

the third row of R^{-1} is

Solution:

QUESTION: 8

For what value of k will the matrix given below become singular

is ___________

Solution:

**Correct Answer :- B**

**Explanation:- **If the matrix is singular, its determinant has to be zero.

[8(0-12) -4(4k-24) +0(24-0)] = 0

-96 -16k +96 = 0

-16k = 0

k = 0

QUESTION: 9

The Eigen values of the matrix

Solution:

QUESTION: 10

Solution:

QUESTION: 11

Solution:

QUESTION: 12

then find

Solution:

QUESTION: 13

Given system of linear equations

3x + 2y + z = 0, x + 4y + z = 0, 2x + y + 4z = 0, has

Solution:

QUESTION: 14

Suppose that the probability of event A is 0.2 and the probability of event B is 0.4. Also, suppose that the two events are independent. Then P(A|B) is:

Solution:

QUESTION: 15

The Newton-Raphson method formula for finding the square root of a real number R from the equation x^{2} − R = 0 is

Solution:

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