设 [tex=4.786x1.357]dxl4r7ZGo1CTiQ9eCOgIQbbhy8S9LVNMmjQLHpnwh7I=[/tex] 并且 [tex=1.857x1.357]bZ4KhrFbnCaidqbMGQZfww==[/tex] 的首项系数为 [tex=0.786x1.214]9repzKMvuH794eDEf20vhw==[/tex] [tex=2.357x1.214]y+xEpf3pfeOUSqBIASkchQ==[/tex] [tex=7.429x1.357]uwBQ8pKW3ahxxmxO9opsyAX8/G8N2RmVdtlEG3PTTOY=[/tex] 证明: [tex=7.143x1.5]KLYzldmaNv1QPnoOQXGFbe2kphw98AVmGmD1uCJ/egU=[/tex]
设 [tex=4.786x1.357]dxl4r7ZGo1CTiQ9eCOgIQbbhy8S9LVNMmjQLHpnwh7I=[/tex] 并且 [tex=1.857x1.357]bZ4KhrFbnCaidqbMGQZfww==[/tex] 的首项系数为 [tex=0.786x1.214]9repzKMvuH794eDEf20vhw==[/tex] [tex=2.357x1.214]y+xEpf3pfeOUSqBIASkchQ==[/tex] [tex=7.429x1.357]uwBQ8pKW3ahxxmxO9opsyAX8/G8N2RmVdtlEG3PTTOY=[/tex] 证明: [tex=7.143x1.5]KLYzldmaNv1QPnoOQXGFbe2kphw98AVmGmD1uCJ/egU=[/tex]
1