

so the ODE is indeed exact and there is a solution of the form
. We have




With
, we have

so

1)5/24
2)1 and 1/3 im not sure
3)1 and 1/3
4)1/7
Answer:
A
Step-by-step explanation:
vertical angles congrunet (angleFJH + angle GJI)
& (angleHFJ + angle JGI congruent)