Maths equation

[krishanu05]

Once in my childhood day I found someone proved 1=2 in a strange mathematical way but I forgot the way. Can anyone please help me to solve it out?

 

[stapel]

There are many ways to "prove" this. You can find a few here.

 

[HallsofIvy]

Once in my childhood day I found someone proved 1=2 in a strange mathematical way but I forgot the way. Can anyone please help me to solve it out?

It is, of course, an invalid proof. Most involve dividing by 0.