I'm trying to find the number of terms in the arithmetic series which makes the sum strictly greater than .

I know that , but I somehow can't apply it to this problem.

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- November 24th 2009, 08:51 PMCaptchaArithmetic Series
I'm trying to find the number of terms in the arithmetic series which makes the sum strictly greater than .

I know that , but I somehow can't apply it to this problem. - November 24th 2009, 08:53 PMJameson
- November 24th 2009, 09:16 PMCaptcha
- November 24th 2009, 09:46 PMJameson
Almost. You subtracted 7 but should have added.

- November 24th 2009, 09:50 PMCaptcha
- November 24th 2009, 09:56 PMJameson
Seems to make sense. (Yes)

- November 24th 2009, 10:00 PMCaptcha
Many thanks! (Yes)