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Eyad
Group Title
An Infinite Geometric sequence Such :
\[S \infty =81/2 , Sn/Tn=(3^n1)/2\]
,Find The G.s ???
 2 years ago
 2 years ago
Eyad Group Title
An Infinite Geometric sequence Such : \[S \infty =81/2 , Sn/Tn=(3^n1)/2\] ,Find The G.s ???
 2 years ago
 2 years ago

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Eyad Group TitleBest ResponseYou've already chosen the best response.0
Sum to infinity :D Its rule is S∞ =a/1r .
 2 years ago

experimentX Group TitleBest ResponseYou've already chosen the best response.1
you should have written more explicitly
 2 years ago

Eyad Group TitleBest ResponseYou've already chosen the best response.0
what do u mean ?
 2 years ago

experimentX Group TitleBest ResponseYou've already chosen the best response.1
sum up to infinity
 2 years ago

Eyad Group TitleBest ResponseYou've already chosen the best response.0
An infinite geometric series is an infinite series whose successive terms have a common ratio. Such a series converges if and only if the absolute value of the common ratio is less than one (  r  < 1 ).
 2 years ago

Eyad Group TitleBest ResponseYou've already chosen the best response.0
lol ,thats all what I know xD
 2 years ago

Eyad Group TitleBest ResponseYou've already chosen the best response.0
I think its we can apply the rule only ..
 2 years ago

experimentX Group TitleBest ResponseYou've already chosen the best response.1
put n=2 ...
 2 years ago

experimentX Group TitleBest ResponseYou've already chosen the best response.1
1/r + 1 = 8
 2 years ago

experimentX Group TitleBest ResponseYou've already chosen the best response.1
find the value of a from the left relation
 2 years ago

Eyad Group TitleBest ResponseYou've already chosen the best response.0
u mean 1r ,but why u put a =1 ?
 2 years ago

experimentX Group TitleBest ResponseYou've already chosen the best response.1
Oh ... sorry ... forgot to divide by 2
 2 years ago

experimentX Group TitleBest ResponseYou've already chosen the best response.1
ignore that post ... i wasn't thinking
 2 years ago

Eyad Group TitleBest ResponseYou've already chosen the best response.0
sry for asking many questions :/
 2 years ago

experimentX Group TitleBest ResponseYou've already chosen the best response.1
\[ \frac{S_2}{T_2} = 4 = \frac{a +ar}{ar}\] find the value of r from here get the value of a from other relation
 2 years ago

Eyad Group TitleBest ResponseYou've already chosen the best response.0
@satellite73 : can u help :)
 2 years ago

Eyad Group TitleBest ResponseYou've already chosen the best response.0
@experimentX :from where u got that 4 in Sn/Tn=4=... ?
 2 years ago

experimentX Group TitleBest ResponseYou've already chosen the best response.1
from your second relation ... put n=2
 2 years ago

experimentX Group TitleBest ResponseYou've already chosen the best response.1
you will get the value of r from here use your first relation to get the second value
 2 years ago

experimentX Group TitleBest ResponseYou've already chosen the best response.1
*get the value of a
 2 years ago

Eyad Group TitleBest ResponseYou've already chosen the best response.0
oh ,k........TY ^.^_^.^
 2 years ago
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