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Mathematics
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Michael Rybkin

Apparently, this user prefers to keep an air of mystery about them.

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  • Member for 2 years, 11 months
  • 243 profile views
  • Last seen 1 hour ago

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Top posts (213) All Questions Answers | Votes Newest

11 Why is this a valid proof for the harmonic series? Apr 30
10 What is $\int\tan^2{x}dx$? what strategy can I use? Feb 1
9 How is the notation $\frac{d}{dx} (f^3)(1)$ interpreted? Nov 12 '18
9 How can I calculate the following difficult limit: $\lim_{x\to\infty} (x + \sin x)\sin \frac1x$? Nov 9 '17
7 Where am I wrong in this algebraic equation? Nov 4 '17
7 Limit involving inverse functions Feb 19
6 Help finding the derivative of $f(x) = \cos{\left(\sqrt{e^{x^5} \sin{x}}\right)}$ Mar 7
6 How to calculate $\lim_{x\to\infty}{\left(1+\frac{1}{3x}\right)}^{4x}$? Nov 9 '17
6 A thorough explanation on why division by zero is undefined? Apr 23
5 How do I integrate $4\int_0^{\pi/2}\frac{\sec^2(\theta)}{1+2\tan^2(\theta)}\,d\theta$ using symmetry? Apr 19
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