I was marked wrong for this problem, but I think I am right. Can someone help me?

Evaluate:

3

$\displaystyle \sum$ $\displaystyle \imath$3

$\displaystyle \imath$=1

I came up with 18 for my answer, but like I said, I was marked wrong.

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- Sep 4th 2012, 05:33 PMdahiestandSimple Summation Problem
I was marked wrong for this problem, but I think I am right. Can someone help me?

Evaluate:

3

$\displaystyle \sum$ $\displaystyle \imath$3

$\displaystyle \imath$=1

I came up with 18 for my answer, but like I said, I was marked wrong. - Sep 4th 2012, 05:39 PMPlatoRe: Simple Summation Problem
- Sep 4th 2012, 05:56 PMdahiestandRe: Simple Summation Problem
OK, so that is $\displaystyle \imath$ cubed, not $\displaystyle \imath$ multiplied by 3?

- Sep 4th 2012, 05:59 PMdahiestandRe: Simple Summation Problem
The problem looks like this:

Attachment 24703 - Sep 4th 2012, 06:28 PMMaxJasperRe: Simple Summation Problem
You should get extra credit because you marked 18 which does not even exist on the answer sheet!

- Sep 4th 2012, 06:36 PMdahiestandRe: Simple Summation Problem