a(x) is continues on R with cycle T ,a(x+T)=a(x)

u(x) is non trivial soluion of y'=a(x)y

$\displaystyle \lambda=\int_{0}^{T}a(x)dx$

which of the following claims is correct:

A. if $\displaystyle \lambda>0 $ then $\displaystyle \lim_{x\rightarrow\infty}u(x)=\infty $

B. if $\displaystyle \lambda=0 $ then u(x) is a cyclic function

i dont have the theorectical basis to solve it