Eyad
Geometric sequence of positive terms in which its first term equal 4 times its third term and the sum of its second term ,fifth term is 36 ..Find The G.s .....
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ParthKohli
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\(\Large \color{MidnightBlue}{\Rightarrow S_{g}= A{1 - r^n \over 1-r} }\)
Eyad
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@ParthKohli : What is Sg ?????
ParthKohli
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Sum of a geometric sequence
ParthKohli
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:P
Eyad
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@ParthKohli :And whats da function of this rule ,and how can i use it here ?!
ParthKohli
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A is the first term.
ParthKohli
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r is the common ratio, n is the number of terms.
Eyad
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i know :D
Eyad
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whats da benefit from getting the sum of geo.sequence ?
ParthKohli
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Wait, what does G.s mean?
ParthKohli
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Geometric sequence or sum?
Eyad
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its Geometric sequence ..