Improper integrals 150Quadratic equation ... - -
( ) ( ) () ߿
(( )) 5 ( )()
42 : .
2012 1 3 2012
42 27
( ... \3 04 ( )
.
" " ... 7
2012 ( ) 2013 ( ) -
( (+1) ( )
a^n 2 2
: 1 (0 1 )
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