Solve the differential equation.y'' - 2y' - 15y = 0

A. y = C1e3x + C2e-5x 
B. y = C1e-3x + C2xe5x 
C. y = e-3x(C1 cos 5x + C2 sin 5x)
D. y = C1e-3x + C2e5x 


Answer: D

Mathematics

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