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moongazer
 5 years ago
In a geometric series, the second term is 3 and the fifth term is 81. Find the third term.
(please explain clearly and easy to understand if you did that i'll give you a medal)
moongazer
 5 years ago
In a geometric series, the second term is 3 and the fifth term is 81. Find the third term. (please explain clearly and easy to understand if you did that i'll give you a medal)

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anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0moon, go to school, lol

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0ar=3 ar^4=81 r=3 a=1 third term ar^2=9

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0ar = 3, how do you know r = 3

moongazer
 5 years ago
Best ResponseYou've already chosen the best response.0lol you are here again

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0i dont think this is right

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0ar^4/(ar)=27 r^3=27 r=3...

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0do it step by step.....

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0moongazer... i have given the ans....

moongazer
 5 years ago
Best ResponseYou've already chosen the best response.0i am really confused with geometric and arithmetic series questions do you have tips to be good at it??

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0geometric series is given by ar^n. where a is the first term and r is the common ratio. In AP the series is like a+nd. where d is the common difference.

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0in geometric when we divide consecutive terms, it is constant hence the term ratio

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0in arithmetic when we subtract terms we get a constant difference

moongazer
 5 years ago
Best ResponseYou've already chosen the best response.0i already know that geometric series common ratio and arithmetic is common difference i am just confused
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