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calculusorphan

Recent activity by calculusorphan

Possible Error In Instruction Sheet
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There is a paper called "Analyzing the second derivative to find inflection points" under the "Finding inflection points & analyzing concavity" in the chapter on "Using derivatives to analyze funct...
Multivariable Calculus Practice Questions
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Dear Khan Academy: Much gratitude to you. I had never been able to grasp differential calculus until I found your site. Later you filled in the Calculus courses more, and, for the first time, I sta...