LINEAR EQUATIONS WITH CONSTANT COEFFICIENTS 1. (9D4 + 6D³ + D²)y = 0 2. (4D4 – 45D² – 70D – 24)y = 0 - d3x 3. dt3 d?x 2 -3 dt2 dx dt 4. (D3 – 4D2 + 4D)y = 0 5. (2D4 – 3D³ – 2D²)y = 0 6. (D5 – 16D³)y = 0 7. (D2 – 2D + 5)y = 0 8. (Dª + 5D² + 4)y = 0 9. (D² – 2D + 5)²y = 0 %3D (D?

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