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Use a direct proof to show that if $x\gt 1$ then $x^5 +x+1\gt 2$.
asked Feb 16 '16 at 21:26
$\mathbb R^2$ is not homeomorphic to $\mathbb R^3$.
asked Jul 3 '16 at 6:46
A continuous bijection from $l_2 $ onto a subset of $l_2$ whose inverse is everywhere discontinuous.
asked Sep 30 '16 at 18:16
Egyptian square pyramid
asked Jun 17 '16 at 5:30
$\cos(\theta_n) \to \cos(\theta)$ and $\sin(\theta_n) \to \sin(\theta)$. How to show that $\theta_n \to \theta$?
asked Sep 6 '17 at 4:28
Does fundamental group distinguish between any two non homeomorphic topological space?
asked Jul 3 '16 at 12:37
Find the sides of the triangle.
asked Jun 23 '16 at 4:33
Find the area lying inside the cardioid $r=1+\cos\theta$ and outside the parabola $r(1+ \cos\theta)=1$
asked Oct 1 '17 at 15:46
Mapping The Unit Disc To The Hemisphere?
Abstract: If $G$ is a group of order 10 with only one element of order 2, then $G$ must be cyclic.
How to find derivative?
The number of subspaces over a finite field
$G$ finite group, $H \leq G$. If $|H|=|G|$ then $H=G$.