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

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

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

Eyad
 2 years ago
Best ResponseYou've already chosen the best response.0An 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 ).

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

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

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

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

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

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

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

experimentX
 2 years ago
Best 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

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

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

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

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

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