Determinants| Part 1| Applied Maths | 2025-26

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In this video, we explore the core concepts of determinants—a key topic in Class 12 Mathematics. This lesson is designed to help you build a strong foundation with step-by-step explanations and examples.

🔍 Topics Covered:

✅ What is a determinant? (Basic definition)
✅ How to expand 2x2 and 3x3 determinants
✅ Understanding a singular matrix and its significance
✅ Concept of minors and cofactors
✅ How to find the adjoint of a matrix using cofactors

This video is ideal for CBSE & ISC Class 12 students, as well as anyone preparing for entrance exams. By the end, you'll be comfortable with calculating determinants and understanding their properties in linear algebra.

🎯 Stay tuned till the end for a complete understanding of how all these concepts are connected!

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Chapters:
0:00 Intro
1:33 Definition
4:39 Expansion of 2x2 Determinant
5:49 Expansion of 3x3 Determinant
14:53 Minor of an Element
17:10 Cofactor of an Element
25:54 Singular Matrix
26:30 Adjoint of Matrix
28:10 Properties of Determinants
37:16 Properties of Adjoint of Matrix
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Видео Determinants| Part 1| Applied Maths | 2025-26 канала Hritik Raj