Top network posts

• 32 Why do rocket nozzles open near the end?
• 19 How did people get the inspiration for the sums of cubes formula?
• 18 How would you find the exact roots of $y=x^3+x^2-2x-1$?
• 17 Difficult integral involving $\arctan x$
• 17 Show that $\sqrt{4 + 2\sqrt{3}} - \sqrt{3}$ is rational.
• 14 Simplifying Ramanujan-type Nested Radicals
• 13 Is there anything like “cubic formula”?
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