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Mathematics 48 Online
OpenStudy (anonymous):

Verify the solution of the differential equation...y=C_1*cos(x)+C_2*sin(x) y''=+y=0

OpenStudy (anonymous):

It just wants you to take the derivative twice and see that the second derivative of the function is the function itself.

OpenStudy (anonymous):

Did you take the derivative of y with respect to x yet?

OpenStudy (anonymous):

I don't understand how to take the derivative twice 'cause i don't know what the C_1 and C_2 mean..are they just constants? so I could replace them with a and b?

OpenStudy (anonymous):

Yes, they are constants. You can use anything you like for those

OpenStudy (anonymous):

:D thanks :) I got it :)

OpenStudy (anonymous):

great! =)

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