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The dominant integral. We now evaluate the integral in the above expression. For convenience, wewrite e '.x/=2 D e u.x/=2 .1 C ! 2 .x/=/, whereu.x/ D x 2 log.1 /and ! 2 .x/ D C 1 x C C 2 x 3 :Obviously, u. x/ D u.x/ and ! 2 . x/ D ! 2 .x/. Thus, for x satisfying ju.x/j 1=2 ,!!2ˇh.x/ C h. x/ D ‰.x/˛ˇe u.x/=2 ˇ1ˇ˛2 C O j˛ 1j! 2 .x/ˇ.e u.x/=2 1/ ˇ C 1 C x6:Consequently,Z 1=10Zh.t/ dt D 1=10ZD 2D.h.t/ C h. t// dt C O0

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