Question

0!-1!=x

Answer 1

x=?

Answer 2

x = -1!

Answer 3

I'll bite. 0.
0! = 1 and 1! = 1 so 1-1 = 0.

Answer 4

x is zero √

next question
is there a inverse factorial operation?
\[y!=z\]
solve for y

Answer 5

\[y=z¡\] or something
or do factorials only work in one direction, because the operation isnt a proper function

Answer 6

ok so upside down exclamation point is a poor choice of symbol because it look like an i
but is there something like \[z!^{-1}\]

Answer 7

is there a inverse factorial operation? NO

Factorial operation is not one to one.

Answer 8

well that is kinda what i was thinking. however i cant really say i understand why this is so

Answer 9

factorials occur in nature is this something to do with time evolution?

Answer 10

if you restrict the domain of the gamma function it would be bijective.