In relation to the issuing of company shares explain:
(b) rights issues; (3 marks)
参考答案:
已知数列{an}.{bn}满足:a1=b1=1,a4=b8,an+1=2an+1,bn+2-2bn+1+bn=0,n∈N*
(I)求数列{an},{bn}的通项公式;
(II)求数列{an•bn}的前n项和Sn.
与氨制硝酸银试液作用生成氮气和金属银沉淀的药物是()
A.异烟肼
B.阿司匹林
C.氧氟沙星
D.小檗碱
E.甲丙氨酯