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Dono
Posts:
368
Registered:
11/6/06


MTW, Exercise 8.5 (c), Crotchm reasserts his imbecility
Posted:
Apr 13, 2013 11:05 AM


On Apr 13, 7:55 am, rotchm <rot...@gmail.com> wrote: > On Apr 13, 1:54 am, "Dono." <sa...@comcast.net> wrote: > > > On Apr 8, 6:08 pm, rotchm <rot...@gmail.com> wrote:> > which again with [1] gives > > > > r r''' + 3 r'' r' = 0 > > > > > So if you find some r(t) that has r''(t) = r'''(t) = 0 for all t, > > > > you're done. Easy. Take > > > > r(t) = A t + B [3] > > > > Yes, thats a "trivial" solution and as you hinted, there are others. > > > The general solution to this is > > > r = s(At2 + Bt + C), which can be ~ at + b if its a perfect square. > > > No, pretentious imbecile, what you put down is not a solution since r" > > isn't null for all t (while r"'=0). > > 1) ?? Didnt you see DvDM's reply to me? He agreed that what I put down > is a solution > to r r''' + 3 r'' r' = 0. > > Try it. You can do it by direct substitution!! TRY IT !! >
No imbecile, he didn't agree, he simply did not notice your utter cretinism.
> 2) You seem to impose that r'' must equal zero. Why? It need not be. >
Because, imbecile, in your BRAINDEAD "solution" r"'=0, meaning that the equation reduces to 3 r'' r' = 0
Crotchm,
You are a patented imbecile.


Date

Subject

Author

4/7/13


Guest

4/7/13


Lord Androcles, Zeroth Earl of Medway

4/8/13


Lord Androcles, Zeroth Earl of Medway

4/8/13


Hetware

4/8/13


Lord Androcles, Zeroth Earl of Medway

4/8/13


Hetware

4/9/13


Lord Androcles, Zeroth Earl of Medway

4/9/13


Hetware

4/8/13


Hetware

4/8/13


Lord Androcles, Zeroth Earl of Medway

4/9/13


Hetware

4/9/13


Lord Androcles, Zeroth Earl of Medway

4/9/13


Hetware

4/9/13


Lord Androcles, Zeroth Earl of Medway

4/9/13


Hetware

4/8/13


Dirk Van de moortel

4/8/13


Lord Androcles, Zeroth Earl of Medway

4/8/13


rotchm@gmail.com

4/9/13


Dirk Van de moortel

4/13/13


Dono

4/13/13


rotchm@gmail.com

4/13/13


Dono

4/13/13


Dono

4/13/13


Dono

4/13/13


rotchm@gmail.com

4/13/13


Dono

4/13/13


rotchm@gmail.com

4/13/13


Dono

4/13/13


Dono

4/13/13


rotchm@gmail.com

4/13/13


Dono

4/13/13


rotchm@gmail.com

4/13/13


Dono

4/9/13


Guest

4/9/13


Dirk Van de moortel

4/9/13


Lord Androcles, Zeroth Earl of Medway

4/8/13


Rock Brentwood

4/8/13


Hetware

4/8/13


Lord Androcles, Zeroth Earl of Medway


