would y'all mind keeping math out of the list, I have more than enough of it in school, thank you
Nico On Fri, Mar 5, 2010 at 4:46 PM, Josh Rubinstein <kars...@gmail.com> wrote: > Bill, > > The problem is in the fourth step. For it to be equivelent you have to > square the whole function on each side not the invidual variables. For > example the square of 2 plus the square of 3 are not equal to the square of > (2+3). Besides a-c is the square root of a2-2ca+c2 > not a2-ca+c2 > > Josh > > On Fri, Mar 5, 2010 at 4:08 PM, Ed Goff <eg...@rice.edu> wrote: > >> If a is going to turn out to equal b, then a-b has to be 0, therefore in >> your first step you multiplied both sides of the equation by 0. In caving >> terms, this would be equivalent to the following: If you start out in a cave >> with 2 stalactites of equal length, and you break both of them off and throw >> them away, they are still equal. >> >> Ed >> >> >> >> On Mar 5, 2010, at 3:19 PM, Bill Walden wrote: >> >> To Fofo and all, >> >> With reference to phd comics! One can easily prove any two numbers equal. >> I remember this from high school days ugh, 50 some years ago: >> >> Given: >> >> >> One can maintain the equality of an equation as long as the same operation >> is done to both sides. >> >> a+b=c Multiply both sides by (a-b) >> >> a2-b2=ca-cb Subtract ca from both sides, add b2 to both sides >> >> a2-ca=b2-cb Complete the square by adding c2/4 to both sides >> >> a2-ca+c2/4=b2-cb+b2/4 now take the square root of both sides >> >> a-c/2=b-c/2 Add c/2 to both sides >> >> a=b >> >> Beautiful -- right? Try substituting real numbers such as 2+3=5 and >> maintain the format. Results: 2=3. >> >> What does this have to do with caving?? It sure could screw up our >> surveys! >> >> I bet the press would have fun with this. >> >> OK where is the fallacy? >> >> Best regards, >> Bill Walden >> >> >> >> >> >> >> >> >> >> ----- Original Message ----- >> From: "Fofo" <gonza...@msu.edu> >> To: "Cavers Texas" <texascavers@texascavers.com> >> Sent: Friday, March 05, 2010 11:49 AM >> Subject: Re: [Texascavers] karst on Saturn's moon >> >> > It goes something like this: >> > >> > http://www.phdcomics.com/comics.php?f=1174 >> > >> > - Fofo >> > >> > Mixon Bill wrote, on 5/3/10 7:03: >> >> Where do they find those idiots to write press releases? >> > ... >> > >> > --------------------------------------------------------------------- >> > Visit our website: http://texascavers.com >> > To unsubscribe, e-mail: texascavers-unsubscr...@texascavers.com >> > For additional commands, e-mail: texascavers-h...@texascavers.com >> > >> >> >> >
