hey can someone check if this is correct. Just a differentiation of a function. differentiated to: correct?
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Originally Posted by jvignacio hey can someone check if this is correct. Just a differentiation of a function. differentiated to: correct? Mostly correct except for the derivative of . Remember, this is . Also, there is a sign error when you differentiated .
Not quite. There's a wrong sign at the end, and the differential of the cubic root is not right either. Perhaps you should write it to ease the differentiation.
better?
Still a problem with the root: the derivative of is , hence... O wait, it just changed. There's still a problem: there is a + in front of the root.
Originally Posted by Laurent Still a problem with the root: the derivative of is , hence... O wait, it just changed. There's still a problem: there is a + in front of the root. yes i noticed that aswell!!! silly me. thank u for the help
Originally Posted by jvignacio hey can someone check if this is correct. Just a differentiation of a function. differentiated to: correct? See here, Differentiated to:
Last edited by Shyam; Sep 5th 2008 at 12:09 PM.
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