We know that [math] is a solution to the differential equation [math] for [math]. Use the method of reduction of order to find a second solution to [math] for [math].

(a) After you reduce the second order equation by making the substitution [math], you get a first order equation of the form
[math] .
Note: Make sure you use a lower case w, (and don't use w(t), it confuses the computer).

(b) A second solution to [math] for [math] is
[math]

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