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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If a matrix A has only one column then it is called:
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The number of non zero rows in echelon form of a matrix is called:
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For the square matrix ? = [???]?×? then ???, ???, ???…??? are:
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If a matrix A has different number of rows and columns then A is called:
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The main diagonal elements of a skew symmetric matrix must be:
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10. If a matrix A has different number of rows and columns then A is called:
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4. If a matrix A has ? rows and ? columns , then order of A is :
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If a matrix A has only one row then it is called:
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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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In echelon form of matrix, the first non zero entry is called:
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12. For a square matrix ? = [???]if all ??? = ?, ? ≠ ? and all ??? = ?(??? − ????) for ? = ? then
A is called:
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11. For the square matrix ? = [???]?×? then ???, ???, ???…??? are:
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In a homogeneous system of linear equations , the solution (0,0,0) is:
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6. A matrix A is called real if all ??? are
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If order of ? is ? × ? and order of B is ? × ? then order of AB is
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13. For a square matrix ? = [???]if all ??? = ?, ? ≠ ? and at least ??? ≠ ?, ? = ? then A is called:
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54. Transpose of a row matrix is:
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Let A be a matrix and ? is an integer then ? + ? + ? + ⋯ to ? terms
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A rectangular array of numbers enclosed by a square brackets is called:
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Any matrix A is called singular if:
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If a matrix A has same number of rows and columns then A is called:
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. The additive inverse of a matrix exist only if it is:
any matrix of order ? × n
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Inverse of a matrix exists if it is:
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Which of the following Sets is not a field.
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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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If the system of linear equations have no solution at all, then it is called a/an
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. If a matrix of order ? × ? then the matrix of order ? × ? is :
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The horizontal 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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For any two matrices A and B ,(? + ?)^? =
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7. If a matrix A has only one row then it is called:
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The element ??? of any matrix A is present in:
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The vertical lines of numbers in a matrix are called:
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Which of the property does not hold matrix multiplication?
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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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5. The element ??? of any matrix A is present in:
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For any matrix A , it is always true that
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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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