Ex 4.3 |Q #4 Complete | Matrix Inversion Method | 11th Math | New PTB 2025 | Matrices & Determinants

Описание: 📘 In this video, we solve Exercise 4.3, Question 4 from the New 2025 PTB Mathematics Book for Class 11 using the Matrix Inversion Method.
This question is from Chapter 4: Matrices and Determinants, and we cover each part (i), (ii), and (iii) in full detail with step-by-step solutions using the formula:
X=A^−1B
📌 This method is very useful for solving systems of linear equations, and this video is helpful for students preparing for their board exams.

🎯 Topics Covered:

Matrix Form of a Linear System

Finding the Inverse of a Matrix

Multiplying
A^−1×B
Final Solutions to All Three Parts

📚 Board: Punjab Textbook Board (PTB)
📕 Class: 11th
🧮 Chapter: 4 - Matrices and Determinants
📆 Book Edition: 2025 (New)

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👇 Comment below if you have any questions.
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