Math Chapter 3 Class 11 Matrices and Determinants

by

in

Mathematics Chapter 3: Matrices and Determinants – Class 11 Overview

Chapter 3, Matrices and Determinants, is a crucial topic in Class 11 Mathematics and forms the foundation for higher-level algebra and linear equations. This chapter is important for students preparing for competitive entry tests like NUST, ECAT, UET, NTS, as well as FSC board exams. Key concepts include types of matrices, matrix operations, determinants, properties of determinants, and applications in solving linear equations. Mastery of this chapter is essential for understanding advanced algebra and related topics.




PLS Boost Bundle

Get Access to 20 thousands+ MCQs Including Topical MCQs, Practice Tests, Mock Tests, Solved Past Papers, Flashcards, Notes, FLPS, and Much More.

4. If a matrix A has ? rows and ? columns , then order of A is :

1/57

In a homogeneous system of linear equations , the solution (0,0,0) is:

2/57

Which of the following Sets is not a field.

3/57

If the system of linear equations have no solution at all, then it is called a/an

4/57

53. The inverse of unit matrix is:

5/57

The matrix [?] is :

6/57

The horizontal lines of numbers in a matrix are called:

7/57

6. A matrix A is called real if all ??? are

8/57

5. The element ??? of any matrix A is present in:

9/57

If a matrix A has same number of rows and columns then A is called:

10/57

For the square matrix ? = [???]?×? then ???, ???, ???…??? are:

11/57

If a matrix A has only one column then it is called:

12/57

The element ??? of any matrix A is present in:

13/57

14/57

12. For a square matrix ? = [???]if all ??? = ?, ? ≠ ? and all ??? = ?(??? − ????) for ? = ? then
A is called:

15/57

A rectangular array of numbers enclosed by a square brackets is called:

16/57

. The additive inverse of a matrix exist only if it is:

17/57

18/57

If order of ? is ? × ? and order of B is ? × ? then order of AB is

19/57

If a matrix A has only one row then it is called:

20/57

8. If a matrix A has only one column then it is called:

21/57

54. Transpose of a row matrix is:

22/57

The vertical lines of numbers in a matrix are called:

23/57

24/57

The main diagonal elements of a skew symmetric matrix must be:

25/57

Which of the following Sets is a field.

26/57

A rectangular array of numbers enclosed by a square brackets is called:

27/57

13. For a square matrix ? = [???]if all ??? = ?, ? ≠ ? and at least ??? ≠ ?, ? = ? then A is called:

28/57

The main diagonal elements of a skew hermitian matrix must be:

29/57

14. The matrix [?] is :

30/57

. The multiplicative inverse of a matrix exist only if it is:

31/57

32/57

33/57

If a matrix A has different number of rows and columns then A is called:

34/57

In echelon form of matrix, the first non zero entry is called:

35/57

For any two matrices A and B ,(? + ?)^? =

36/57

37/57

10. If a matrix A has different number of rows and columns then A is called:

38/57

7. If a matrix A has only one row then it is called:

39/57

Let A be a matrix and ? is an integer then ? + ? + ? + ⋯ to ? terms

40/57

The horizontal lines of numbers in a matrix are called:

41/57

42/57

43/57

9. If a matrix A has same number of rows and columns then A is called:

44/57

45/57

The number of non zero rows in echelon form of a matrix is called:

46/57

47/57

48/57

Inverse of a matrix exists if it is:

49/57

11. For the square matrix ? = [???]?×? then ???, ???, ???…??? are:

50/57

51/57

For any matrix A , it is always true that

52/57

Which of the property does not hold matrix multiplication?

53/57

54/57

. If a matrix of order ? × ? then the matrix of order ? × ? is :

55/57

Any matrix A is called singular if:

56/57

The vertical lines of numbers in a matrix are called:

57/57

Importance of Matrices and Determinants for Entry Tests and Board Exams

Understanding Matrices and Determinants improves logical reasoning, analytical thinking, and problem-solving skills. Students can solve questions related to matrix addition, multiplication, determinants, inverses of matrices, and solving system of linear equations using Cramer’s rule efficiently. Regular practice of these concepts helps students confidently tackle both entry test and FSC board exam questions.

PLS Academy Chapter-Wise Mathematics Preparation

PLS Academy offers comprehensive chapter-wise study material for Matrices and Determinants with detailed solutions, solved examples, and exam-focused exercises. With structured guidance, students can master all concepts, improve problem-solving techniques, and secure high marks in both entry tests and FSC board exams.

JazakAllah

BIG SALE! FLAT 50% OFF

Protected