Which of the following functions are solutions of the differential equation y''+10y'+25y=0?

A. y(x)=x^2e^-5x

B. y(x)=-5x

C. y(x)=0

D. y(x)=e^+5x

E. y(x)=xe^-5x

F. y(x)=e^-5x

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- Aug 19th 2009, 11:17 AMdat1611solutions to differential equations
Which of the following functions are solutions of the differential equation y''+10y'+25y=0?

A. y(x)=x^2e^-5x

B. y(x)=-5x

C. y(x)=0

D. y(x)=e^+5x

E. y(x)=xe^-5x

F. y(x)=e^-5x - Aug 19th 2009, 12:06 PMTwig
Differentiate them and stick them in. Those that work, are solutions.