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May
15
reviewed Reject Interior of closed ball
May
2
reviewed Approve examples of a special problem in linear transformation
Apr
25
reviewed Approve $\sum_{k = 1}^{n} \frac{1}{k^{2}} < 2 - \frac{1}{n}$
Apr
17
reviewed Approve how does this converges? Sequence and series convergence
Apr
11
reviewed Approve radical expression foil which confuses me
Apr
6
reviewed Approve Prove a language is Context Free
Apr
6
reviewed Approve Proof polynomial has only one real root.
Apr
5
reviewed Approve How can I show whether the series $\sum_{n=1}^\infty \frac{(-1)^n}{n(2+(-1)^n)} $ converges or diverges?
Apr
5
reviewed Reject Please can you check my proof of this about twice differentiable function
Apr
5
reviewed Approve Find $t$ in $N = b \times g^t$.
Mar
26
reviewed Approve Proof by Induction $4^n \geq 16n^2$
Mar
26
reviewed Approve Proof of Integration formula
Mar
26
reviewed Approve Cauchy-Schwarz Inequality and Linear inependence and $\cos \theta$
Mar
25
reviewed Approve define $f :R\to R$ by $f(x)=\frac{1}{(x-1)}$ when $x<1$ and $f(x)=\sqrt{(x-1)}$ when $x\geq 1$. Show that $f$ is a bijection and determine its inverse
Mar
24
reviewed Approve Maximization with the Dual using the Simplex Method.
Jan
25
reviewed Approve Have arrows in a category with this property a special name?
Jun
13
reviewed Approve Why is $1 =1 $? why is it so why cant be $1 =$ something else?
Sep
22
reviewed Approve Are there infinitely many “super-palindromes”?
Sep
19
reviewed Reviewed Strictly increasing function
Aug
24
reviewed Approve $\operatorname{Aut}(\mathbb Z_n)$ is isomorphic to $U_n$.