5c43ff819575,019
http://nhiro.org.s3.amazonaws.com/e/1/e136f5e2e22df31cc34136c8d183ba47.jpg https://gyazo.com/e136f5e2e22df31cc34136c8d183ba47
(OCR text)
do(t)
o(t)(1- (t)) E
dt
o(atxi)
do(t)
dei
It=a*xi
dt
Xi
da
o(t) (1 - o(t))|t=a*x; *Xi
11
_
= ei(1 - ei)x