Ethiopian Grade 12 Mathematics | Sequence and Series Problem |

📚 Arithmetic Sequence | Find the Sum of n Terms In this video, we solve an important Arithmetic Progression problem step by step. 🧮 Given that the sum of the first 3 consecutive terms is 24 and the sum of their squares is 210, we find the sum \(S_n\) of the first \(n\) terms. 🎯 This is a useful problem for Grade 12 Mathematics and exam preparation. 📌 Learn how to: ✅ Use the properties of arithmetic sequences ✅ Work with the sum of terms and their squares ✅ Find \(S_n\) efficiently 👍 Like, 💬 Comment, and 🔔 Subscribe to Peka Online Tutorial for more Mathematics, Physics & Chemistry lessons. #ArithmeticSequence #ArithmeticProgression #Grade12Math #Mathematics #ExamPreparation #PekaOnlineTutorial