Country Dictionary

e^x=0

it doesn't exist.Your maths teacher will beat your ass if he or she knows that

THERE IS NO EXAMPLE for e^x=0

f(x) = e^x

The only function in the world that satisfies ∫f(x)dx = f(x) and d/dx f(x) = f(x). Very dumb.

Question: ∫f(x) = f(x)
Because ∫f(x) = e^x
Therefore, the solution is e^x