1,145 reputation
920
bio website
location
age
visits member for 3 years, 9 months
seen Sep 2 '13 at 3:01

Aug
18
suggested approved edit on Still stuck on treacherous ODE
Aug
15
awarded  Excavator
Aug
8
revised Evaluate the integral as a power series $\int x^{11}\cdot\tan^{-1}(x^2)\,\mathrm dx$
formatting
Aug
8
suggested approved edit on Evaluate the integral as a power series $\int x^{11}\cdot\tan^{-1}(x^2)\,\mathrm dx$
Aug
8
revised help solving an integral $\int\left(\frac {x-1}{3-x}\right)^\frac{1}{2} dx$
formatting
Aug
8
suggested rejected edit on Evaluate the integral as a power series $\int x^{11}\cdot\tan^{-1}(x^2)\,\mathrm dx$
Aug
8
suggested approved edit on help solving an integral $\int\left(\frac {x-1}{3-x}\right)^\frac{1}{2} dx$
Aug
8
suggested rejected edit on help solving an integral $\int\left(\frac {x-1}{3-x}\right)^\frac{1}{2} dx$
Aug
8
suggested rejected edit on help solving an integral $\int\left(\frac {x-1}{3-x}\right)^\frac{1}{2} dx$
Aug
8
revised Evaluate $\int{\frac{4x}{(x^2-1)(x-1)}dx}$
formatting
Aug
8
suggested approved edit on Evaluate $\int{\frac{4x}{(x^2-1)(x-1)}dx}$
Aug
8
suggested rejected edit on Evaluate $\int{\frac{4x}{(x^2-1)(x-1)}dx}$
Aug
8
comment How to prove the following identities?
@Sophia: Do you mean $\csc(2\textrm A)$ for cosec($2\textrm A$)?
Aug
8
revised How does a $y(t)=$plot of this exponential function looks like?
deleted 11 characters in body
Aug
8
answered How does a $y(t)=$plot of this exponential function looks like?
Aug
5
revised A differential equation
improved formatting.
Aug
5
suggested approved edit on A differential equation
Jul
21
revised Laplace transform and Differentiation help
deleted 3 characters in body
Jul
21
suggested rejected edit on Linear Algebra: solving for x
Jul
21
comment Linear Algebra: different determinant answers
@ Zev: I believe there is no reason to go through using the quadratic formula when this problem has perfect factors. Being, $(\rm x+1)(\rm x+4)=0$.