# Science talk:Math Exam Resources/Courses/MATH102/December 2013/Question C 04

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Thread title | Replies | Last modified |
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Constant K | 1 | 20:55, 30 November 2014 |

I think we can go without the constant *K*. It's simply 1 energy unit and 2 energy units. Also, when taking the derivative of E(x), I think it would be nicer to include the factors (2)(2x)(1/2) instead of simply 2x.

I will be honest I don't like it without the constant. I think we should be trying to encourage students to do some slightly abstract mathematics.

However I changed it based on this suggestion.

CarmenBruni (talk)