msth 117
posted by monkeybaby .
Take any number (except for 1). Square that number and then subtract one. Divide by one less than your original number. Now subtract your original number. You reached 1 for an answer, didn’t you? How does this number game work?

(n^21)/(n1)  n = ?
(n1)(n+1)/(n1) n =?
n+1n = n
duh