LearningDroid

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seen Oct 10 '12 at 6:17

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awarded  Notable Question
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awarded  Popular Question
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10
awarded  Scholar
Oct
10
comment Second derivative “formula derivation”
Thank you very much, this adds much perspective, but Mr. Scott managed to prove it without bringing in Taylor Series, which while correct, complicate the proof process. :D
Oct
10
accepted Second derivative “formula derivation”
Oct
10
comment Second derivative “formula derivation”
Hah, neat! The answer was lost to me in the very thing I omitted during my work - the limit. It can approach from both ways, how incredibly silly of me and brilliant in expression here. Thank you!
Oct
10
awarded  Student
Oct
10
asked Second derivative “formula derivation”