Matrices - Exercise 3.2 (Que. 18 to 22) | Class 12 Maths Chapter 3 | CBSE 2024-25
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✅ In this video,
✔️ Class: 12th
✔️ Subject: Maths
✔️ Chapter: Matrices (Chapter 3)
✔️ Topic Name: Exercise 3.2 (Que. 18 to 22)
✔️ Topics Covered In This Video (By Zeeshan Sir): Unlock the secrets to mastering Class 12 Maths with our latest video on Exercise 3.2 of Chapter 3 - Matrices. Dive deep into the core concepts, formulas, and problem-solving techniques vital for success in your math journey. Elevate your understanding and ace your exams with comprehensive explanations and practical examples provided by Zeeshan Sir.
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00:00 Introduction - Matrices - Exercise 3.2 (Que. 18 to 22)
02:34 Que. 18
22:13 Que. 19 A trust fund has 30,000 that must be invested in two different types of bonds. The first bond pays 5% interest per year, and the second bond pays 7% interest per year. Using matrix multiplication, determine how to divide 30,000 among the two types of bonds. If the trust fund must obtain an annual total interest of
34:39 Que. 20 The bookshop of a particular school has 10 dozen chemistry books, 8 dozen physics books, 10 dozen economics books. Their selling prices are 80, 60 and 40 each respectively. Find the total amount the bookshop will receive from selling all the books using matrix algebra.
40:41 Que. 21
47:06 Que. 22
52:37 Website overview
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