Math Chapter 3 Class 11 Matrices and Determinants

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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.




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

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

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

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

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

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

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53. The inverse of unit matrix is:

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

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Which of the following Sets is a field.

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

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

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The horizontal lines of numbers in a matrix are called:

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

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The vertical lines of numbers in a matrix are called:

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

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54. Transpose of a row matrix is:

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

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

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Which of the following Sets is not a field.

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

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The horizontal lines of numbers in a matrix are called:

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

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

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The vertical lines of numbers in a matrix are called:

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

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Any matrix A is called singular if:

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

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

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Which of the property does not hold matrix multiplication?

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

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

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

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For any matrix A , it is always true that

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

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

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14. The matrix [?] is :

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The matrix [?] is :

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

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

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

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

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

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Inverse of a matrix exists if it is:

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

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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.

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