On your own, verify that the indicated expression is an implicit solution of the given first-order differential equation. dX/dt= (X − 1)(1 − 2X); ln 2X − 1/X − 1= t
Which of the following is an explicit solutionX = ϕ(t)?
a. X =
et − 1
et − 2
b. X =
et − 1
et + 2
c. X =
X = et
X = e2t
d. X =
et + 1
2 − et