Скачать или смотреть Permutation & Combination | Exercise 7.2 (Q#1–3) | Chapter 7 | 1st Year Mathematics

Alhamdulillah!
In today’s lecture, we recorded another important class in which we started Exercise 7.2 of Chapter #7 – Permutation and Combination.
🔹 In this lecture, we covered:
• Introduction to Exercise 7.2
• Revision of Permutation definition
• Explanation of Permutation formula (nPr)
• Real-life examples to understand permutation clearly
• Exercise 7.2 – Question #1
• Exercise 7.2 – Question #2
• Exercise 7.2 – Question #3
🔹 About this lecture:
📌 Before starting Exercise 7.2, the concept of Permutation was explained in detail using simple real-life examples, so that students can clearly understand where and why permutation is used.
📌 This lecture is designed strictly according to Punjab Board syllabus and exam requirements.
🔹 Before solving questions, we clearly explained:
• What is Permutation
• Why order is important in permutation
• Meaning of n and r in the permutation formula
• When to apply permutation instead of simple counting
• Common mistakes students make while using nPr
🔹 Concept explanation method:
• Concepts were first built using daily-life situations
• Formula of permutation was derived and explained step by step
• Each question was analyzed before applying the formula
• Proper reasoning was developed for correct selection of n and r
• Complete mathematical working was shown
• Board-style presentation was followed throughout
🔹 Key features of this lecture:
✔ Strong concept building
✔ Real-life based explanation
✔ Step-by-step solutions
✔ Exam-oriented approach
✔ According to Punjab Board marking scheme
📌 Questions #1, #2, and #3 of Exercise 7.2 are very important from the board point of view, and this lecture will help students build a strong foundation for upcoming questions of permutation.
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