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Forums → The Tavern → 1+1=0. The PROOF

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the_zombie_killer
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the_zombie_killer
306 posts
Nomad

This is a cool proof I found online

Assume
a= sqrt(-1)
Sqrt(xy)= sqrt(x) * sqrt(y)

The beginning equation
1+1=1+1
Now equating RHS (right hand side of equation)
1+1 is the RHS
=1+sqrt(1)
=1+sqrt[(-1)(-1)]. I hope u kno BODMAS
=1+sqrt(-1) * sqrt(-1)
=1+ a * a remember my assumption
=1+ (-1)
=1-1
= 0
Remember I was only equation the RHS ??? Well now I am going to re-insert the now equated RHS into the original formula
1+1= RHS
1+1= 0.

F.A.QuestioN

Q- there is no such thing as sqrt(-1)
A- yes that is true but it is also true that when u multipy the sqrt of a number with itself you get the number of who's sqrt was taken [ Sqrt(2) * sqrt(2) = 2 ] that rule is applied here...

  • 55 Replies
Gantic
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Gantic
11,889 posts
King

The failing step is in saying

sqrt[(-1)(-1)] = sqrt(-1) * sqrt(-1)

sqrt [(-1)^2] =/= [sqrt(-1)]^2

Keep your parentheses straight. Otherwise, you're saying

1 = -1

and in this universe, that is absurd.

Obviously that's not true. And yes, i does exist mathematically, so does its offspring a + bi.

the_zombie_killer
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the_zombie_killer
306 posts
Nomad

O.o. You pple did read that this equation is not mine rite??

TSL3_needed
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TSL3_needed
5,579 posts
Nomad

1 = -1

and in this universe, that is absurd.


Well, not necessarily. I'm sure they've got some rule of quantum physics that would explain that XD

1+1=2. That is true math. Assumptions and miscalculations do not equal something that makes no sense.
the_zombie_killer
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the_zombie_killer
306 posts
Nomad

Ok now to really irritate you and make u lose so sleep at night...go to my other thread which I just posted and solve the sum. The name of the thread is "I dare you to solve this". I just posted it

Freakenstein
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Freakenstein
9,503 posts
Jester

There is also the equation 1+1 = 3, that uses the same methods to solve it. Let's be sensible and use basic fundamental steps to solve regular mathematics, not theoretical math. Leave that to Calculus ;-)

BigP08
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BigP08
1,455 posts
Shepherd

The beginning equation
1+1=1+1
Now equating RHS (right hand side of equation)
1+1 is the RHS
=1+sqrt(1)
=1+sqrt[(-1)(-1)]. I hope u kno BODMAS
=1+sqrt(-1) * sqrt(-1)
=1+ a * a remember my assumption
=1+ (-1)
=1-1
= 0

When you square root something, like 1, you say it = + or - sqrt(1). Now, when you know what the number was originally, say term a, you are saying that sqrt(a squared)= -a, when you knew originally it was a. So, you eliminate the negative, and this is false.
It's like those things that try to prove that 1 = 2. Here's the equation.
A = B (assume is true)
A squared = AB
A squared - B squared = AB - B squared

Factor it now.

(A+B)(A-B) = B(A-B)
A+B = B

Since: A = B

2B = B

Thus

2 = 1

There's always a flaw. The flaw here is that you divided both sides by A-B, and if both terms are equal, then you divided both sides by 0. If you divide both sides by 0, they become undefined. So 2/0 is undefined and 1/0 is undefined, thus both sides are equal.

My point being that you can always use basic math to disprove these loophole illusions that people create.
DDX
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DDX
3,562 posts
Nomad

(A+B)(A-B) = B(A-B)
A+B = B

Since: A = B

2B = B

Thus

2 = 1


wrong kid

read what I wrote.
BigP08
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BigP08
1,455 posts
Shepherd

Did you read my post? I indicated that this is a trick equation, and that it is wrong.

Moe
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Moe
1,714 posts
Farmer

Let's be sensible and use basic fundamental steps to solve regular mathematics, not theoretical math.


1=.99999 repeating is achievable with basic fundamental math...
DDX
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DDX
3,562 posts
Nomad

in the beginning the equation is already balanced.

so it doesnt matter, it is already solved 0 = 0 and that is true, this kid is just on crack and obviously cant finish his equations

WoodyGuthrie
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WoodyGuthrie
185 posts
Nomad

i think you all = 0

trayzrulz
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trayzrulz
677 posts
Peasant

I think that all of you guys spending time discussing a proof, which happens to be faulty, is awesome!!!

MarioMario
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MarioMario
1,212 posts
Peasant

uhm I dont get it at all '_'

Zega
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Zega
6,917 posts
Peasant

1+1=1

One pile of sand + one pile of sand = one pile of sand

Maverick4
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Maverick4
6,800 posts
Peasant

Well, in Heritage class, 1+1=0, if you get meh drift...

hehehe...

Well, its not following the principles and logic that 'real' math follows so...

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