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seen Nov 18 '14 at 14:38

Mar
4
reviewed Approve Show that $\sum\limits_{k=0}^\infty (-1)^k \frac{1}{\sqrt{k+1}}$ converges but not absolutely
Mar
4
reviewed Close Proving $1 + 1 = 2$
Mar
4
reviewed Leave Open Use a differential to estimate to estimate the given quantity.
Jan
23
reviewed Close Compute $\displaystyle\iint\limits_R\frac{y}{x+y^2}dA$ where $R=[0,1]\times[1,2]$
Dec
29
reviewed Leave Open Project Euler - 34 / Find a mathematical approach for upper bound
Dec
28
reviewed Close Is there an identity that links $\pi$ and $\phi$ (the golden ratio)?
Dec
28
reviewed Leave Open Why is the number Pi more popular than any other constant?
Dec
10
reviewed Looks OK Discrete math help w/propsitions
Dec
10
reviewed No Action Needed Graphing Square Root Function
Dec
10
reviewed Approve Prove that the function is constant $f(x)=\arcsin2x\sqrt{1-x^{2}} - 2\arcsin x$
Dec
10
reviewed Approve Is impulse response always differentiation of unit step response of a system?
Dec
10
reviewed Close Prove that the function is constant $f(x)=\arcsin2x\sqrt{1-x^{2}} - 2\arcsin x$
Dec
4
reviewed Leave Open Problem with tau function
Dec
4
revised Help solving a differential equation using Green function
edited tags
Dec
4
reviewed Looks OK If $x_1, \ldots, x_6$ are positive real numbers that add up to $2$. Show that:
Dec
4
awarded  Custodian
Dec
4
reviewed Leave Open Area using Fermat's method of quadratures
Dec
4
reviewed Close Solution book of John Kelley's , J.Munkres's
Dec
4
reviewed Leave Open What is the degree of following differential equations
Nov
28
awarded  Custodian