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anonymous
 one year ago
Find S12 for the series 1 + 1.5 + 2.25 + 3.375 +...
anonymous
 one year ago
Find S12 for the series 1 + 1.5 + 2.25 + 3.375 +...

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ParthKohli
 one year ago
Best ResponseYou've already chosen the best response.1A geometric series with common ratio 3/2.

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0I got 86.49 as the 12 number in the series. Is that correct?

triciaal
 one year ago
Best ResponseYou've already chosen the best response.1verify that the question is not asking for the 12th term it is asking for the sum of the first 12 terms.

ParthKohli
 one year ago
Best ResponseYou've already chosen the best response.1Yes, but if you have to find the sum, you use\[S (n) = a\times\dfrac{ r^n1 }{r 1}\]

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0okay, I was just wondering if the number that I got for the 12th term was correct.

triciaal
 one year ago
Best ResponseYou've already chosen the best response.1so you wanted T12 ok T12 = ar^n1 a= 1, n = 12, r = 3/2 T12 = (1)(3/2)^(121) = (3/2)^11 =

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0I got 258.49 as my over all answer, Is this correct?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0IS 258.49 correct for the sum of the terms

triciaal
 one year ago
Best ResponseYou've already chosen the best response.1dw:1433909448209:dw

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0when I did that I got 257.49?

triciaal
 one year ago
Best ResponseYou've already chosen the best response.1dw:1433909575762:dw
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