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RE60K
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84
Are all limits solvable without L'Hôpital Rule or Series Expansion
Sep 18, 2014
26
Why does the maximum/minimum of linear programming occurs at a vertex?
Aug 13, 2014
24
The limit of the alternating series $x - x^2 + x^4 - x^8 + {x^{16}}-\dotsb$ as $x \to 1$
Dec 25, 2014
21
Integrate $\int\sqrt\frac{\sin(x-a)}{\sin(x+a)}dx$
Sep 21, 2014
19
Some clever trick is required for this Integral with irrational power of cosine as integrand.
May 12, 2015
16
Lottery odds calculated in your head, or pen and paper.
Dec 22, 2014
14
How to find $\lim_{x \to 0} ( \frac{1}{\sin(x)}- \frac{1}{\arcsin(x)})$
Sep 6, 2014
13
Solve the limit $\lim\limits _{x\to 0}\frac{\sqrt{1-\cos\left(x^2\right)}}{1-\cos\left(x\right)}$
Apr 11, 2015
12
How to prove sum of powers property of roots of unity?
Dec 4, 2014
10
How to find $\int \frac{x\ln(x+\sqrt{1+x^2})}{\sqrt{1+x^2}}\mathrm dx$
Aug 20, 2014
Top Meta posts
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Is the site being too lenient in helping people with homework?
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Answers composed entirely mechanically, e.g. by computer algebra systems
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Confused with selecting an accepted answer.
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Why is there a decreases in number of upvotes and increase in downvotes?
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Reading a textfile using InputStream
22
Migratory aptitude in pinacol-pinacolone rearrangement
15
How does Ostwald-Walker method work?
12
Room Booking System
11
Why does an acid have a low pH value?