Let ϕ denote the solution to the boundary value problem (BVP)
\(\rm \left\{\begin{matrix}(xy')'-2y'+\frac{y}{x}=1,&1
Then the value of ϕ(e) is
1
\(\rm -\frac{e}{2}\)
2
\(\rm -\frac{e}{3}\)
3
\(\rm \frac{e}{3}\)
4
e
Let ϕ denote the solution to the boundary value problem (BVP)
\(\rm \left\{\begin{matrix}(xy')'-2y'+\frac{y}{x}=1,&1
Then the value of ϕ(e) is