show that for any sequence (Xn) of random variables there exist a sequence of constants (An) such that Xn/An converge to 0 a.s
My attempt
Let X1, X2, X3,... be Independent with mean 0 and Sn=X1+X2+X3+...+Xn , and also assume a sequence (an)->♾️ and I trying to use Borel cantelli lemma but I am not able to Complitely solve this question please help me
Thank you