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

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

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The matrix [?] is :

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

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

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Which of the following Sets is not a field.

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

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

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

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

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

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

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14. The matrix [?] is :

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

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Which of the following Sets is a field.

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The vertical lines of numbers in a matrix are called:

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53. The inverse of unit matrix is:

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

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Any matrix A is called singular if:

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

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Which of the property does not hold matrix multiplication?

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

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

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

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54. Transpose of a row matrix is:

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

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

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

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

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Inverse of a matrix exists if it is:

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The vertical lines of numbers in a matrix are called:

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The horizontal lines of numbers in a matrix are called:

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

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

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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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