Solve: y'' +3y' +3y = 0

📝 Problem

y'' +3y' +3y = 0

✨Detailed Solution

1. 📝 Associated Homogeneous Eq.: y'' + (3)y' + (3)y = 0

PT đặc trưng: r² + (3)r + (3) = 0

2. 🧮 Homogeneous Solution (y_h): r = -3/2 \pm 0.8660254038i$

sin(0.8660254038x)]

🔒 2 steps remaining

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1. 📝 Associated Homogeneous Eq.: y'' + (3)y' + (3)y = 0

PT đặc trưng: r² + (3)r + (3) = 0

2. 🧮 Homogeneous Solution (y_h): r = -3/2 \pm 0.8660254038i$

sin(0.8660254038x)]

🔒 2 steps remaining

📐 Lv.2

解题解二阶微分方程: y'' + 4y' + 8y = 0 — 详细解答步骤