Need help...Given a differential equation and its first solution y1 find the second solution y2 using reduction of order. x^2 y'' - 3xy' +5y =0; y1 = x^2 cos (ln x) thank you so much!
Follow Math Help Forum on Facebook and Google+
Originally Posted by kithy Need help...Given a differential equation and its first solution y1 find the second solution y2 using reduction of order. x^2 y'' - 3xy' +5y =0; y1 = x^2 cos (ln x) thank you so much! Let Then Now look at the term proportional to v(x): But this is just 0 according to the differential equation. So we get and you can take it from here. -Dan
View Tag Cloud