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Re: Archimedes "Total Failure" Plutonium flunked the Math Test of a lifetime-generation test

From moroney@world.std.spaamtrap.com (Michael Moroney)
Newsgroups sci.math, sci.physics
Subject Re: Archimedes "Total Failure" Plutonium flunked the Math Test of a lifetime-generation test
Date 2018-09-12 19:09 +0000
Organization The World : www.TheWorld.com : Since 1989
Message-ID <pnbo9g$k7g$1@pcls7.std.com> (permalink)
References <6fef121d-e565-4bca-933c-ee6f1a11c695@googlegroups.com> <41f1705d-ff8e-4b87-8228-d1de171166cf@googlegroups.com>

Cross-posted to 2 groups.

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Math Failure Archimedes Plutonium <plutonium.archimedes@gmail.com> fails:

>AP writes: yes, fire the entire Univ Western Ontario math dept, for how can
> we have a modern day math department that continues to teach bogus math-- 

Oh dear, the new meds are not working. Not only is Archie back to 7 
stalker lists, one cubbyhole critter and one false proof repost, he is
now demanding entire math departments be fired for not teaching his broken
math again! Just because Dan want to warn people about Archie's broken 
math!

>for ellipse was never a conic, and teachers who teach that are frauds of 
>math, not even having the math intelligence to check it out.

Wow, Archie is really interested in the ellipse proof! Here it is again!



Below you will find a simple *proof* that shows that certain conic 
sections are ellipses.

Some preliminaries:

Top view of the conic section and depiction of the coordinate system used 
in the proof:

              ^ x
              |
             -+- <= x=h
         .'   |   `.
        .     |     .
        |     |     |
        '     |     '      
         `.   |   .'
 y <----------+ <= x=0
             
Cone (side view):
                 .
                /|\
               / | \
              /b |  \
             /---+---' <= x = h
            /    |'   \
           /   ' |     \
          / '    |      \
x = 0 => '-------+-------\
        /    a   |        \

Proof:

r(x) = a - ((a-b)/h)x  and  d(x) = a - ((a+b)/h)x,  hence

y(x)^2 = r(x)^2 - d(x)^2 = ab - ab(2x/h - 1)^2 = ab(1 - 4(x - h/2)^2/h^2.

Hence (1/ab)y(x)^2 + (4/h^2)(x - h/2)^2 = 1  ...equation of an ellipse

qed

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Tatyana  Barron, Janusz Adamus, David Riley,Gordon Sinnamon, Justin Trudeau,Christensen says why teach correct math-- ellipse is a cylinder section, never a conic section Archimedes Plutonium <plutonium.archimedes@gmail.com> - 2018-09-12 08:28 -0700
  Re: Archimedes "Total Failure" Plutonium flunked the Math Test of a lifetime-generation test moroney@world.std.spaamtrap.com (Michael Moroney) - 2018-09-12 19:09 +0000

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