Question

Derivation between 2×2=5

Answer 1

https://math.stackexchange.com/questions/775273/contradiction-prove-22-5

number theory - Contradiction: Prove 2+2 = 5 - Mathematics Stack ...

Answer 2

Step-by-step explanation:

(I suppose)

0 = 0

=>4–4 = 10 - 10

=>2²-2² = 2x5 - 2x5

=>(2 - 2)(2 + 2) = 5(2 - 2)

Cancelling (2–2) from both sides we get

2+2 = 5

Proved.