Only when the roots of the characteristic equation are imaginary do you typically express the homogeneous solution as a sinusoid. For example, if the...
I think to begin, I would imagine that Randi has the cards arranged in the same order she will seek them...for example suppose she will seek them in...
I was getting ready to reply that you need another initial condition, but you've fixed that. Also, I moved the thread to "Differential Equations" as...