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onlyme
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I'm in love with Euclidian Geometry and conics

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question
16
Evaluating $\int{ \frac{x^n}{1 + x + \frac{x^2}{2} + \cdots + \frac{x^n}{n!}}}dx$ using Pascal inversion
Jun 28, 2015
question
14
Who discovered the first explicit formula for the n-th prime?
Mar 22, 2015
question
10
How do I prove using the definition that the logarithmic function is continuous
Feb 4, 2015
question
10
If $\sum_{n_0}^{\infty} a_n$ diverges prove that $\sum_{n_0}^{\infty} \frac{a_n}{a_1+a_2+...+a_n} = +\infty $
Feb 5, 2015
question
8
Given a drawing of a parabola is there any geometric construction one can make to find its focus?
Mar 14, 2015
question
7
Ellipse inscribed on a quadrilateral
Mar 13, 2015
question
6
Given a drawing of an ellipse is there any geometric construction we can do to find it's foci?
Mar 12, 2015
answer
6
Prove that $a^7 + b^7 + c^7 \geq a^4b^3 + b^4c^3 + c^4a^3$
Jun 15, 2015
question
5
Prove that $a^7 + b^7 + c^7 \geq a^4b^3 + b^4c^3 + c^4a^3$
Jun 15, 2015
question
5
How do one rigorously prove that the electric potential energy of an conducting sphere with charge $Q$ is $\frac{Q^2}{8\pi\epsilon_0R}$
Jun 27, 2015