Spot the math errors!


	Spot the math errors!

slosd

12-22-2008 4:08 PM

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tags:

math

slosd says:

Get the solution from the page I clipped this from.

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<div style="margin: 12px 0px; font-family: arial; color: #333333; background: #ffffff; border: solid 4px #e5e5e5; width: 100%; clear: left;"><div class="CM_CTB_Content_Wrap" style="margin: 0px; padding: 0px;background-color: #ffffff;"><div style="border-bottom: solid 1px #dcdcdc; white-space: nowrap; margin-bottom: 8px; background-color: #eeeeee ;background-image: url(http://clipmarks.com/images/source-bg.gif); background-repeat: repeat-x; height: 24px; line-height: 24px; vertical-align: middle; padding-bottom: 4px; color: #666666; font-size: 10px;" ><a href="http://clipmarks.com/clip-to-blog/" title="see clips that are hot right now"><img src="http://content.clipmarks.com/blog_embed/a16e73ab-0edd-4f9a-b8cb-8bc745ed3526/E63428D6-086C-4529-9A0B-14133DA11791/" alt="" width="19" height="19" border="0" style="vertical-align: middle; margin: 0px 4px; display: inline; border: none; float:none;" /></a>clipped from <a title="http://skullsinthestars.com/2008/12/12/spot-the-math-errors/" href="http://skullsinthestars.com/2008/12/12/spot-the-math-errors/" style="font-size: 11px;">skullsinthestars.com</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://skullsinthestars.com/2008/12/12/spot-the-math-errors/">Via StumbleUpon, I came across this <A href="http://archives.math.utk.edu/subjects/1equals2.txt">short text page</A> which lists three mathematical ‘proofs’ which seem to violate common sense, listed below. </blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://skullsinthestars.com/2008/12/12/spot-the-math-errors/"><P>The first is:</p> <P><IMG width="252" height="196" alt="2equals1" src="http://skullsinthestars.files.wordpress.com/2008/12/2equals1.png?w=252&h=196" title="2equals1" class="size-full wp-image-1310 aligncenter" /></P></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://skullsinthestars.com/2008/12/12/spot-the-math-errors/"><P>The second one is:</p> <P><IMG width="300" height="258" alt="piequals3" src="http://skullsinthestars.files.wordpress.com/2008/12/piequals3.png?w=300&h=258" title="piequals3" class="size-full wp-image-1311 aligncenter" /></P></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://skullsinthestars.com/2008/12/12/spot-the-math-errors/"><P>The third one is:</p> <P><IMG width="203" height="234" alt="neg1equals1" src="http://skullsinthestars.files.wordpress.com/2008/12/neg1equals1.png?w=203&h=234" title="neg1equals1" class="size-full wp-image-1312 aligncenter" /></P></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://skullsinthestars.com/2008/12/12/spot-the-math-errors/">Each of these proofs is (intentionally) wrong!  They highlight classic fallacies in mathematical thinking.  See if you can figure out where, in each of them, the proof goes wrong</blockquote></div><div style="margin: 0px 6px 6px 4px;"><table style="font-size: 11px;border-spacing: 0px;padding: 0px;" cellpadding="0" cellspacing="0" width="100%"><tr><td style="background:transparent;border-width:0px;padding:0px;">&nbsp;</td><td align="right" style="background:transparent;border-width:0px;padding:0px;width:107px" width="107"><a href="http://clipmarks.com/share/E63428D6-086C-4529-9A0B-14133DA11791/blog/" title="blog or email this clip"><img src="http://content9.clipmarks.com/images/c2b-foot.png" border="0" alt="blog it" width="107" height="17" style="border-width:0px;padding:0px;margin:0px;" /></a></td></tr></table></div></div>

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