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The solution is wrong for the problem here.

The nth odd number is 2n − 1 NOT 2n + 1. (ie. the 3rd odd number is 5 not 7).

Here is a link to some other solutions...

Note by Kurt Johnson 1 year, 3 months ago

Easy Math Editor

*italics*

_italics_

**bold**

__bold__

- bulleted- list

1. numbered2. list

paragraph 1paragraph 2

paragraph 1

paragraph 2

[example link](https://brilliant.org)

> This is a quote

This is a quote

# I indented these lines # 4 spaces, and now they show # up as a code block. print "hello world"

2 \times 3

2^{34}

a_{i-1}

\frac{2}{3}

\sqrt{2}

\sum_{i=1}^3

\sin \theta

\boxed{123}

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Hi Kurt, thanks for being sharp-eyed and spotting the error. We've fixed it!

In future, if you spot any errors with a problem, you can report it by selecting "report problem" in the menu. This will notify the problem creator who can fix the issues.

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Easy Math Editor

`*italics*`

or`_italics_`

italics`**bold**`

or`__bold__`

boldNote: you must add a full line of space before and after lists for them to show up correctlyparagraph 1

paragraph 2

`[example link](https://brilliant.org)`

`> This is a quote`

Remember to wrap math in \( ... \) or \[ ... \] to ensure proper formatting.`2 \times 3`

`2^{34}`

`a_{i-1}`

`\frac{2}{3}`

`\sqrt{2}`

`\sum_{i=1}^3`

`\sin \theta`

`\boxed{123}`

## Comments

Sort by:

TopNewestHi Kurt, thanks for being sharp-eyed and spotting the error. We've fixed it!

In future, if you spot any errors with a problem, you can report it by selecting "report problem" in the menu. This will notify the problem creator who can fix the issues.

Log in to reply