Mathematics
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João Rimu
  • Member for 8 years, 10 months
  • Last seen more than 8 years ago
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All Questions Answers
Score Newest
question
47
Where to build a bridge to cross a river in the shape of an annulus
Oct 12, 2013
question
6
Reflection on a circle [duplicate]
Oct 7, 2013
question
5
How to prove these two "obvious" facts about circles?
Sep 28, 2013
question
3
Derivatives and the tangent as the "limit of a secant" and as "no other line can be drawn between"
Feb 2, 2014
question
3
What is the converse of the triangle inequality?
Mar 26, 2014
question
2
Two points a line, three points a circle... Three points triangle inequality, four points Ptolemy-Euler inequality...
Nov 2, 2013
question
1
Why a unit set is not the same as its element? $\{x\} \ne x$?
Mar 23, 2014
question
1
How to justify the rule for the product of square roots of real numbers?
Sep 30, 2013
question
1
Intersection of a plane with an infinite right circular cylinder by means of coordinates
Oct 28, 2013
question
1
Please, as possible, explain in layman's terms: What is a discontinuous space?
May 11, 2014

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