Determinants - Excercise 4.5 (Que. 12 to 16) | Class 12 Maths Chapter 4 | CBSE 2025-26

👉Previous Video:    • Determinants - Excercise 4.5 (Que. 7 to 11...   👉Next Video:    • Determinants - Miscellaneous Examples | Cl...   ======================================================= ✔️📚👉 Watch Full Free Course Videos: https://www.magnetbrains.com ✔️📚👉 Grab E-book & E-Notes by Expert Teachers Here: https://www.magnetbrains.com/notes ======================================================= 📢 Full Playlist Link:    • Class 12 Maths (By Zeeshan Sir) | Complete...   ✅ In this video, ✔️ Class: 12th ✔️ Subject: Maths ✔️ Chapter: Determinants (Chapter 4) ✔️ Topic Name: Excercise 4.5 (Que. 12 to 16) ✔️ Topics Covered In This Video (By Zeeshan Sir): Unlock the secrets to mastering Class 12 Maths with our latest video on 'Excercise 4.5 (Que. 12 to 16)' from Chapter 4 - "Determinants." Zeeshan Sir takes you on a deep dive into the core concepts, essential formulas, and problem-solving techniques that are crucial for your success. Elevate your understanding, boost your confidence, and ace your exams with comprehensive explanations and practical examples. Join us on this mathematical journey and take your skills to the next level! ======================================================= 00:00 Introduction: Determinants - Excercise 4.5 (Que. 12 to 16) 01:47 Solve system of linear equations, using matrix method, in Exercises 7 to 14: Que. 12 x - y + z = 4, 2x+y-3z= 0, x + y + z = 2 27:05 Que. 13 2x + 3y +3 z = 5, x-2y + z = -4-, 3x-y-2z=3 49:49 Que. 14 x - y + 2z = 7, 3x+4y-5z=-5, 2xy + 3z=12 01:10:25 Que. 15 01:36:05 Que. 16 The cost of 4 kg onion, 3 kg wheat and 2 kg rice is *60. The cost of 2 kg onion, 4 kg wheat and 6 kg rice is €90. The cost of 6 kg onion 2 kg wheat and 3 kg rice is *70. Find cost of each item per kg by matrix method. 02:03:21 Website Overview ======================================================= Why study from Magnet Brains? Magnet Brains is an online education platform that helps to gives you NCERT/CBSE curriculum-based full courses free from Kindergarten to Class 12th so that you can perform well in any and all exams you give in your academic career. 👉 Contact us 🤑🤑 ➡️ Connect with us: [email protected] ➡️ Website: https://www.magnetbrains.com/ ➡️ Subscribe to us on YouTube:    / @magnetbrainseducation   ➡️ Subscribe to Magnet Brains Hindi Medium:    / @magnetbrainshindimedium   ➡️ Facebook:- https://www.magnetbrains.com/out/face... ➡️ Telegram:- https://www.magnetbrains.com/out/tele... ➡️ Instagram:- https://www.magnetbrains.com/out/inst... #exercise4 #determinants #ncert #class12maths #class12 #class12th #maths #mathematics #cbse2024_25 #magnetbrains #newsession2024_25 #2024_25 #chapter4 #questions determinants exercise 4.5 class 12 solutions ex 4.5 class 12 determinants exercise 4.5 class 12 ex 4.5 class 12 learn cbse exercise 4.5 class 12 magnet brains determinants class 12 questions 12 to 16 Disclaimer: "This video is for educational and informational purposes only and is not intended to infringe on any copyrights. If you believe that this video has used any copyrighted material in a way that constitutes copyright infringement, please contact us at [email protected] and we will take appropriate action."