Top network posts

• 33 Why is this equation of what appears to be a circle not a function? How do show this algebraically.
• 17 What does "approach zero" really mean?
• 11 Computing $\lim_{x \to 1}\frac{x^\frac{1}{5}-1}{x^\frac{1}{6} -1}$
• 6 Showing $e^{-x^2}$ is fast decreasing
• 6 Proof of $\lim_{x \to \infty} \frac{\sin x}{x} =0$
• 5 Can we choose values for multivariable functions deliberately?
• 5 Complex roots of polynomials, proving this particular property
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