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- Thread starter Muhammad Waleed Khan
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Then, I'll give my opinion on which one is better.Please show me how you think the answer will be different.

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Of course, you could also divide by ##2\pi r \Delta r L##. That won't change the final result. But, the authors must of thought it was more convenient and aesthetically pleasing to do it their way. Both ways are right.Muhammad Waleed Khan said:

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Yeah but it changes the final answer you get from integrating the resulting ODE.Chestermiller said:Of course, you could also divide by ##2\pi r \Delta r L##. That won't change the final result. But, the authors must of thought it was more convenient and aesthetically pleasing to do it their way. Both ways are right.

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Please show me how you think the answer will be different. Start out by showing me the two versions of the ODE that you get.Muhammad Waleed Khan said:Yeah but it changes the final answer you get from integrating the resulting ODE.

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