Chapter 03: Matrices and Determinants

Chapter 03: Matrices and Determinants

Notes (Solutions) of Chapter 03: Matrices and Determinants, Text Book of Algebra and Trigonometry Class XI (Mathematics FSc Part 1 or HSSC-I), Punjab Text Book Board, Lahore.

Contents & summary

  • Introduction
    • Addition of Matrices
    • Scalar Multiplication
    • Subtraction of Matrices
    • Multiplication of two Matrices
  • Determinant of a $2\times2$ matrix
    • Singular and nonsingular Matrices
    • Adjjoint of a $2\times2$ matrix
    • Inverse of $2\times2$ matrix
  • Solution of simultaneous linear equations by using matrices
    • Exercise 3.1
  • Field
  • Properties of Matrix Addition, Scalar Multiplication and Matrix Multiplicaton.
    • Exercise 3.2
  • Determinants
    • Minor and Cofactor f an Element of a Maatrix or its Determinant
    • Determinant of a Square Matrix of Order $n\geq 3$
  • Properties of Determinants with help in their Evaluation
  • Adjoint and Inverse of a Square Matrix of order $n\geq 3$
    • Exercise 3.3
  • Elementary Row and Column Operations on a Matrix
  • Echelon and Reduce Echelon form of Martices
    • Exercise 3.4
  • System of Linear Equation
    • Homogeneous Linear Equation
    • Non-Homogeneous Linear Equations
  • Cramer`s Rule
    • Exercise 3.5

Solutions

<callout type=“success” icon=“fa fa-download”>

  • Exercise 3.1 | View Online | Download PDF (322KB)
  • Exercise 3.2 | View Online | Download PDF (507KB)
  • Exercise 3.3 (Handwritten) | View Online | Download PDF (493KB)
  • Exercise 3.4 (Handwritten) | View Online | Download PDF (560KB)
  • Exercise 3.5 | View Online | Download PDF (359KB)
  • Exercise 3.5 by Prof. Tahir Nazir | View Online | Download PDF (208KB)
  • Exercise 3.5 by Prof. Shariq Mahataab | View Online | Download PDF (262KB)

</callout>

Notes by M. Fiaz Hussain

The following notes are send by Muhammad Fiaz Hussain. We are very thankful to him for sending these notes. <callout type=“success” icon=“fa fa-download”>

</callout>

Short Questions

The following short questions was send by Mr. Akhtar Abbas. <callout type=“success” icon=“fa fa-download”>

</callout>

Here are previous and next chapters

<thumbnail> fsc-1-chap-02-ptb.jpg <caption> Chapter 02: Sets, Functions and Groups </caption> </thumbnail>
<thumbnail> fsc-1-chap-04-ptb.jpg <caption> Chapter 04: Quadratic Equations </caption> </thumbnail>