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Calculus/Indeterminate Forms and L'Hospital's Rule

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X wrote at 2015-04-16 03:42:07
This is wrong...lim -->0 of -2x/sin(2x) is not equal to 0. it is 0/0 again


Calculus

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Paul Klarreich

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All topics in first-year calculus including infinite series, max-min and related rate problems. Also trigonometry and complex numbers, theory of equations, exponential and logarithmic functions. I can also try (but not guarantee) to answer questions on Analysis -- sequences, limits, continuity.

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I taught all mathematics subjects from elementary algebra to differential equations at a two-year college in New York City for 25 years.

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