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May
4
reviewed Reject mean value theorem sin(b) - sin(a)
May
4
reviewed Close Show the $(p-1)! \equiv -1 \mod p/$…
May
4
reviewed Leave Open How to detect different types of curves
May
2
reviewed Leave Open Given a singular matrix, I am tring to find an invertible matrix… (Finite Dimensional Space)
Jun
1
reviewed Close Irreducibility issue
May
31
reviewed Close How to calculate a result based on an exponentially changing pattern/sequence.
May
3
reviewed Leave Closed Why is $\;n^2-\frac{n^2}{2} =\frac{n^2}{2}\;$?
Apr
24
reviewed Reject Help evaluating long definite integral.
Apr
17
reviewed Looks OK Solve the trigonometrical product
Apr
14
reviewed Close Is it better to learn math before physics?
Apr
9
reviewed Reopen span set and min distance of a code
Apr
9
reviewed Approve Coding Theory - Fourier/Walsh/Hadamard Transform
Apr
9
reviewed Approve How to prove ${{a}^{a}}{{b}^{b}}\ge {{\left(\frac{a+b}{2}\right)}^{a+b}}$ ?thanks.
Apr
9
reviewed Close $\tau:=\{Y\in P(X) | A\subseteq Y\}\cup\{\emptyset\}$ topological space
Apr
6
reviewed Leave Open Finding a context-free grammar for $a^i b^j : 2i < j$
Apr
5
reviewed Looks OK Cauchy-Schwarz Inequality for Integrals for any two functions clarification
Apr
5
reviewed Edit Choosing countries for a council
Apr
4
reviewed Edit Trigonometrical limit $\lim\limits_{ x\to 0 } \frac{\sin x - x\cos x}{x^3}?$
Apr
3
reviewed Reject Evaluate $\int\limits_0^\infty \frac{\cos(ax)}{\cos(bx)}\frac{1}{1+x^2}dx$
Apr
3
reviewed Leave Open Does $G\times K\cong H\times K$ imply $G\cong H$?