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June 16, 2024, 06:11:52 am

Author Topic: clarification  (Read 533 times)  Share 

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kdgamz

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clarification
« on: October 01, 2009, 07:56:38 pm »
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just wanted to check something...

the domain arcos(2√x) is [0,0.25]

but the domain of its derivative is (0, 0.25) because the function cannot be derived at end points...right???

thanks

TrueTears

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Re: clarification
« Reply #1 on: October 01, 2009, 07:59:23 pm »
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Correct.

For derivative to exist it must satisfy 2 conditions.

1. Continuous at that point.

2. Left and right limits for the derivative must equal.
PhD @ MIT (Economics).

Interested in asset pricing, econometrics, and social choice theory.

kdgamz

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Re: clarification
« Reply #2 on: October 01, 2009, 08:07:39 pm »
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sweet thanks