10 th maths in tamilnadu | Samacheer kalvi | Exercise 3.9 ‪@Niceonemaths‬

📚 Tamil Nadu Samacheer Kalvi Mathematics – Exercise 3.9 Welcome to our Maths learning channel! ❤️ In this video, we solve Exercise 3.9 – Quadratic Equations from Tamil Nadu Samacheer Kalvi Mathematics. 📌 Topics Covered: ✅ Finding quadratic equations when the sum and product of roots are given. ✅ Finding the sum and product of roots of quadratic equations. 📖 Exercise 3.9 – Questions 1. Determine the quadratic equations whose sum and product of roots are: (i) −9, 20 (ii) 5/3, 4 (iii) −3/2, −1 (iv) −(2 − a)², (a + 5)² 2. Find the sum and product of the roots for each of the following quadratic equations: (i) x² + 3x − 28 = 0 (ii) x² + 3x = 0 (iii) 3 + 1/a = 10/a² (iv) 3y² − y − 4 = 0 🎯 This video is useful for students preparing for Tamil Nadu State Board Maths examinations. 📢 Watch the complete video, practise the sums, and improve your mathematical skills! 👍 Like | 🔔 Subscribe | 💬 Share #SamacheerKalvi #TamilNaduMaths #QuadraticEquations