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...
7 months, 3 weeks ago
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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