2=1 FOR REAL

Have at you, /sci/

Let x be a positive integer. Then
 
x^2 = x + x + ... + x (x times)
 
Differentiate with respect to x:
 
2x = 1 + 1 + ... + 1 (x times)
 
2x = x.
 
Let x = 1.
 
Thus, 2 = 1.

>>2
Differentiable.