Present a second order differential equation. Identify the corresponding auxiliary equation. Classify its roots. Find the associated fundamental set of solutions. State the general solution. Example: DE: y"+2y'+5y =0 AE: m²+2m+5=0 Roots: -1+2i, -1 -2i complex conjugate FSS: {e *cos2x, exsin2x} GS: y = eX(c₁cos2x+c₂sin2x)

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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Present a second order differential equation.
Identify the corresponding auxiliary equation.
Classify its roots.
Find the associated fundamental set of solutions.
State the general solution.
Example:
DE: y"+2y'+5y =0
AE: m²+2m+5=0
Roots: -1+2i, -1 -2i complex conjugate
FSS: {e-*cos2x, e-*sin2x}
GS: y = eX(c₁cos2x+c₂sin2x)
Transcribed Image Text:Present a second order differential equation. Identify the corresponding auxiliary equation. Classify its roots. Find the associated fundamental set of solutions. State the general solution. Example: DE: y"+2y'+5y =0 AE: m²+2m+5=0 Roots: -1+2i, -1 -2i complex conjugate FSS: {e-*cos2x, e-*sin2x} GS: y = eX(c₁cos2x+c₂sin2x)
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