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Closed 10 years ago. A friend showed me this proof: Proof: 2 = 1. Let x = y L e t x = y. Multiply both sides by x: x2 = xy x 2 = x y. Subtract y2 y 2 from both sides: x2 −y2 = xy −y2 x 2 − y 2 = x y − y 2. Factor:
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$2=2^{1}=2^{1+0}=2^{1}\times 2^{0}=2\times 2^{0}$ and by a division $\dfrac{2}{2}=\dfrac{2}{2}\times 2^{0}$ $1=1\times 2^{0}=2^{0}$. Note: Applying the same argument to any number different from $0$ gives the same result.
12 Ιουλ 2022 · Some people think that 1=2, and the math actually makes sense. But can you prove them wrong and find the flaw in their logic?
29 Οκτ 2016 · I know that the sum of powers of 2 is 2n + 1 − 1, and I know the mathematical induction proof. But does anyone know how 2n + 1 − 1 comes up in the first place. For example, sum of n numbers is n ( n + 1) 2. The idea is that we replicate the set and put it in a rectangle, hence we can do the trick.
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