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3,476 Answers

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112
Why does the Cauchy-Schwarz Inequality even have a name?
Mar 3 '16 at 10:31
80
Misunderstanding of percentage increase
Aug 28 '18 at 7:11
80
What is an intuitive approach to solving $\lim_{n\rightarrow\infty}\biggl(\frac{1}{n^2} + \frac{2}{n^2} + \frac{3}{n^2}+\dots+\frac{n}{n^2}\biggr)$?
Jul 27 '17 at 9:29
76
Must eigenvalues be numbers?
Dec 9 '15 at 17:48
71
I found a new way of calculating pi,is that a great deal?
Dec 29 '16 at 13:14
70
What am I doing wrong solving this system of equations?
Nov 7 '18 at 10:07
58
When writing proofs, is logical notation a crutch?
Jan 21 '16 at 14:53
57
Difference between continuity and uniform continuity
Jan 27 '14 at 10:09
56
Find the value of $\sqrt{10\sqrt{10\sqrt{10…}}}$
Oct 2 '14 at 8:49
50
Six throws, only two distinct numbers: coincidence?
Oct 28 '14 at 9:02
44
Is $\{\varnothing\}\in\{\varnothing,\{\varnothing\}\}$ true?
Oct 2 '17 at 9:59
42
Why won't a series converge if the limit of the sequence is 0?
Oct 19 '16 at 12:50
39
A good way to retain mathematical understanding?
Apr 10 '14 at 12:39
36
What's wrong with this proof of the infinity of primes?
Aug 6 '14 at 6:08
35
Are all continuous one one functions differentiable?
Apr 14 '15 at 8:45
33
How are the known digits of $\pi$ guaranteed?
Nov 13 '18 at 10:00
30
Is there more to explain why a hypothesis doesn't hold, rather than that it arrives at a contradiction?
Sep 17 '15 at 12:00
29
Is this alternative notion of continuity in metric spaces weaker than, or equivalent to the usual one?
Nov 30 '15 at 19:37
27
Do $3/8$ (37.5%) of Quadratics Have No $x$-Intercepts?
Jul 29 '19 at 7:35
26
Inverted induction
Apr 17 '15 at 6:48
25
Are independent variables really independent?
Oct 14 '16 at 12:43
25
Subtraction of a negative number
Jun 30 '14 at 8:57
24
Is the empty set linearly independent or linearly dependent?
Jun 4 '16 at 19:04
24
Can we prove that all equations can be solved via complex numbers?
May 5 '14 at 7:03
23
Is the arc length always irrational between two rational points?
Jul 11 '19 at 9:16
23
Are there any limit questions which are easier to solve using methods other than l'Hopital's Rule?
Nov 17 '15 at 23:12
21
Is matrix transpose a linear transformation?
Feb 11 '15 at 14:58
21
Is there a way to denote the calculation $1+2+3+\dots+n$?
Apr 4 '14 at 7:32
20
Created a function with roots at primes and only primes, are there useful applications?
Jan 29 '18 at 10:11
20
How to make sense out of the $\epsilon-\delta$ definition of a limit?
Oct 20 '15 at 21:12
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