!"#$%&'()*"+"" )",%- . /012 . 3%/"45"61 . /"45"61,012 7. 3%/589""61,012 :;<"""=5>"?@&5""#()* (5A"B5'="C"-D5E""@$0895%5 "=5>". F?G+5@$!&'() H : F?&5""#I()(5A"B5'="C" JK,5E""#()* JLM (%!5"C"" N /N : D"C"#(),I() ∞ δ = = δ BI 34 : KNH THIÊN VĂN. ! " #$ HOPQRSTPPUT;VT. . WTH7XTH;YRZM[STP PUT;VT \=5K]5 )D^0,K]5"]5&_ 9"%A"+"K]5$%!"+5+" =501@?1`5'a b""D*c. H"dG H"dG H"dG :\$% )D^"+&G") ;()M 0,()]"+D"C01 b,5"]"dc. I()M : 0,()0eG@*!$% &'(). ;(),I()0AG@f5]"/(%!5"" M M : g@_@89" H"dG II. S TO NH BI KNH THIÊN VĂN: %&'()*+*, (%&/01*12 301*4&/01*15&678 h h 0,!i$D Kj!"#(). 2 1 F F' 2 F' 2 O 1 O ∞ A ∞ B 9 1 A 9 1 B S TO NH BI KNH THIÊN VĂN: ! "# $ $# % % &'("")*+,-. +/ 0 )* 1 2 3 4#& #$& ,# "5 6 34#&#$& 7 % 8 % 2 1 F F' 2 F' 2 O 1 O ∞ A ∞ B 1 A 1 B 2 A 2 B . :;<"""=5>"?@&5""#()* (5A"B5'="C"-D5E""@$0895%5 "=5>". F?G+5@$!&'() H : F?&5""#I()(5A"B5'="C" JK,5E""#()* JLM (%!5"C"" N /N : D"C"#(),I() ∞ δ = = δ BI 34 : KNH THIÊN VĂN. ! "