in a certain geometric sequence the first term exceeds the second term by 32 and the sum of the second and third is 48,find the infinite sum of rhe sequence
来源:学生作业帮助网 编辑:作业帮 时间:2024/11/15 05:59:01
in a certain geometric sequence the first term exceeds the second term by 32 and the sum of the second and third is 48,find the infinite sum of rhe sequence
in a certain geometric sequence the first term exceeds the second term by 32 and the sum of the second and third is 48,find the infinite sum of rhe sequence
in a certain geometric sequence the first term exceeds the second term by 32 and the sum of the second and third is 48,find the infinite sum of rhe sequence
一个几何级数中,第一项比第二项大32,第二项与第三项的和是48,求这个级数的无穷和.
设几何级数的前三项是a,aq,aq^2,则
a-aq=32,aq+aq^2=48,解得
a=8,q=-3,这时无穷和发散,
a=64,q=1/2,这时a+aq+aq^2+...=64/(1-1/2)=128.
in a certain way
act in a certain
in a certain sense
to be in a certain place
英语 in a certain in a certain way 是个词组 还是说certain 当什么翻译
a certain
英语翻译in a certain store where they sell puddings.
to have a certain quality in sb 怎么翻译
an old man lived in a certain part of london
we have to behave in a certain way,翻译
there is a certain amount of truth in
your host serves the food in a certain order.
翻译you are almost certain to be in a position
英语语法插入语His words,________,are right.A.in a certain extantB.to a certain extant选哪个?为什么?
It is (sure /certain )that I have read teh article of importance in a (certain/sure) newspaper
A certain color can an cause an eA certain color can an cause an emotional reaction in people 翻译
just missed a certain date certain
a certain什么意思