Question: 1.13. If t(X) -0, $(X2) -a2 , 0 0] . n=l [HINT: Consider 00 lim(l -r)1/2 L rllg'>[vn = 0] rtI 11=0 as in the
1.13. If t(X) -0, $(X2) -a2 , 0 0] .
n=l
[HINT: Consider 00 lim(l -r)1/2 L rllg'>[vn
= 0]
rtI 11=0 as in the proof of Theorem 8.4.6, and use the following lemma: if Pn is a decreasing sequence of positive numbers such that
then Pn '" n-I / 2 .]
~ 21/2, k=1 Pk
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