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| Category: | Math |
| Submitted By: | shenqiang |
| Fun: |  (1.69) |
| Difficulty: | (2.85) |
| Show Answer |
| Posted by jhosek | 04/21/11 |
| figured it out by trial and error but wondering if there is an explanation or mathematical formula that leads to the answer. | |
| Posted by Karnage1993 | 07/24/11 |
| Yes I too am wondering if there is a mathematical way to do this. I tried finding the derivative of the equation to get the minimum value that it would produce but (3^a)(ln3) + (5^b)(ln5) + (7^c)(ln7) never equals 0. Is this question truly guess and check? :( | |
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