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Wed 2 May, 2012 04:29 am
find an approximate formula for definite integration of (x) ^ ( - x ) , with respect to x , in between 1 to positive infinite .
∞
∫ x^(-x) d x , approximate this integral.
2
@laughoutlood,
Hm; I know that's a trivial upper bound , am looking for a better approximation , without an infinite series of course .
@uvosky,
i'm done , i integrated to get [x ^ (y+1)] / (y+1) and substituted -x for y from 2 to infinity
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