estudier
 Name:
 Mandel Brot
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estudier:
Group Title
Find the radius and center of the osculating circle to the ellipse x^2/4 + y^2/9 =1 at (2,0)
 updated one year ago
 1 reply
 No Medals Yet
Mathematics

estudier:
Group Title
9/4 cos^3 t  9/2 sin^3 t is the evolute for what ellipse?
 updated one year ago
 No Medals Yet
Mathematics

estudier:
Group Title
http://blog.udacity.com/2012/05/learningtoprogramwhypython.html
 updated one year ago
 No Medals Yet
Mathematics

estudier:
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http://www.cdf.utoronto.ca/~csc148h/summer/lectures.shtml
 updated one year ago
 1 reply
 No Medals Yet
Mathematics

estudier:
Group Title
Suggestion:
1) Lose the subgroups in Math
2) In order to post, user has to make 2 selections
…
 updated one year ago
 No Medals Yet
Mathematics

estudier:
Group Title
Side length of equilateral triangle?
(I have to draw it)
 updated one year ago
 39 replies
 4 Medals
Mathematics

estudier:
Group Title
Simplify Cos x/2 * Cos x/4 * Cos x/8....Cos x/1024
 updated one year ago
 8 replies
 2 Medals
Mathematics

estudier:
Group Title
\begin{multline}
\sum =a+b+c+d+e\\
+f+g+h+i+j \\
…
 updated one year ago
 1 reply
 No Medals Yet
Mathematics

estudier:
Group Title
It seems to me that all questions ought to be posted in a "subgroup" else everybody will just keep posting in the parent...?
OK, perhaps…
 updated one year ago
 No Medals Yet
Mathematics

estudier:
Group Title
Prove Cassini's identity using the matrix representation of the Fibonacci sequence
 updated one year ago
 15 replies
 1 Medal
Mathematics

estudier:
Group Title
How many axioms in ZFC?
 updated one year ago
 1 reply
 1 Medal
Mathematics

estudier:
Group Title
Test Statistics Question
 updated one year ago
 No Medals Yet
Mathematics

estudier:
Group Title
What's EDT in real money:)
 updated one year ago
 9 replies
 No Medals Yet
Mathematics

estudier:
Group Title
Piece of wood width 1 sits over a square tile through opposite corners (see pic)
What proportion of the area of the tile is covered by th…
 updated one year ago
 80 replies
 4 Medals
Mathematics

estudier:
Group Title
(5^3 +1) / (5^3 +4^3)
= (5+1)/(5+4)
…
 updated one year ago
 20 replies
 2 Medals
Mathematics

estudier:
Group Title
(x+1)(x+2)(x+3)(x+4) = 99 (by hand)
 updated one year ago
 11 replies
 3 Medals
Mathematics

estudier:
Group Title
f(x) = x^2 +2x 1
Solve f(f(x)) = f(x)
 updated one year ago
 6 replies
 2 Medals
Mathematics

estudier:
Group Title
Is there really going to be a calculus group?
How was that decided?
…
 updated one year ago
 15 replies
 No Medals Yet
Mathematics

estudier:
Group Title
A lattice of 21 dots, some red, some blue, in 3 rows of 7.
Show that some 4 dots of 1 colour form the vertices of a rectangle.
 updated one year ago
 56 replies
 1 Medal
Mathematics

estudier:
Group Title
f(n) = integer nearest sqrt(n)
1/f(1) + 1/f(2) + ...........+1/f(9999) +1/f(10000) = ?
 updated one year ago
 25 replies
 2 Medals
Mathematics

estudier:
Group Title
Circles, tangent everywhere, all the way up the triangle.
Sum of perimeters of all the triangles
…
 updated one year ago
 23 replies
 3 Medals
Mathematics

estudier:
Group Title
2^k 15 is square. Find all k (integers)
 updated one year ago
 23 replies
 6 Medals
Mathematics

estudier:
Group Title
Area of square?
 updated one year ago
 78 replies
 6 Medals
Mathematics

estudier:
Group Title
All Pythagorean triples where area = perimeter (numerically)?
 updated one year ago
 16 replies
 2 Medals
Mathematics

estudier:
Group Title
Show that area of Pythagorean triangle x,y,z cannot be square
(U can use that a^4b^4 = c^2 has no positive solution)
 updated one year ago
 26 replies
 2 Medals
Mathematics

estudier:
Group Title
Find all Pythagorean triples with 3 sides in in arithmetic progression?
 updated one year ago
 12 replies
 2 Medals
Mathematics

estudier:
Group Title
Write 4420 as a sum of 2 squares?
(No programs, use 2 square identity)
 updated one year ago
 43 replies
 2 Medals
Mathematics

estudier:
Group Title
Show that any number that is both square and cube (eg 64) is of form 7k or 7k +1
 updated one year ago
 48 replies
 4 Medals
Mathematics

estudier:
Group Title
http://symbolab.com/
 updated one year ago
 No Medals Yet
Mathematics

estudier:
Group Title
http://www.codeskulptor.org/
(doesn't work in IE)
 updated one year ago
 No Medals Yet
Mathematics
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