Did you know that 1=2? Here's the "proof" - Fiberglass RV

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Old 06-16-2013, 08:13 AM   #1
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Name: Bob Ruggles
Trailer: 2015 Escape 19 2012 Chevy Silverado
Posts: 1,260
Wink Did you know that 1=2? Here's the "proof"

Can we agree that 1-1=0? Good. Let's set up an algebraic (like that word?) expression. In this case an equation. Here it is: 1(1-1)=2(1-1). Of course you'll remember from high school algebra that you can do just about anything you like to an equation , that is add to it, subtract from it, multiply it, or divide it as long as you do exactly the same thing on BOTH sides of the = (equal) sign. Since that's mathematically correct, I'm going to divide both sides of the equation by (1-1). When I do this, I'm left with 1=2. Do you know what the fallacy is in this "proof"? Math majors and minors PLEASE do not answer this. I know you know. That's enough for me. What I want to see if you NON-math people know what I've done wrong. Answer below.

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Old 06-16-2013, 09:33 AM   #2
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Name: Thane
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You can't divide by 0.

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Old 06-16-2013, 12:44 PM   #3
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Name: Pam
Trailer: U-Haul 1985
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ugh, my 10th grade algebra knowledge..... don't you have to do the parenthesis stuff first, which means 1(0) = 2(0) which overall equals zero?

isn't there a song like this... 'nothing plus nuthin leaves nothing'...
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Old 06-16-2013, 01:15 PM   #4
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Name: Bob Ruggles
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You're right, of course, but what I was really looking for was about dividing by 0. Algebra in the 10th grade? OK, some take it there. I got it in 9th but my two grandsons were getting it in 6th and 7th grades. Huge high school with the graduating class about 5 times larger than my whole high school. Gotta wonder about the sanity of my elder grandson. He took 3 years of Latin and plans on taking more in college. Is he nuts? I'll answer my own question. YES!!!! I think there's a song about everything.
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