1. purplec16

    Find all soultions

    sin^2t-4sint+1=0 Ok I know your suppose to subsitute it for x or u, but I cant seem to be able to solve that quadratic
  2. M

    series soultions to differential equations

    what are the requirements of a differential equation for its solution to be a power series? the function has to be analytic; what exactly does this mean? does the right hand side always have to equal zero as well? thanks
  3. K

    what are general soultions?

    what are general solutions? what is the general solution to sinX/2 = (sqareroot)3/2