bro someone please tell me there is another method for this shit, second order i can do first order totally fine.
here’s how i’ve been taught to do it so far
https://prnt.sc/fZPvJuVTMDcA , https://prnt.sc/1ucSbJUKuZ2l
is there i can use for later substitution ? i.e. setting dy/dx equal to something simple such as x/y then taking the derivative and substituting later?