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Jul
20
comment Computing $\lim_{\epsilon \rightarrow 0} \int_0^\infty \frac{\sin x}{x} \arctan{\frac{x}{\epsilon}}dx$
@PhilipHoskins Thanks.
Jul
19
revised Problem using trigonometric substitution: Domain of $\theta$
added 89 characters in body
Jul
19
answered Problem using trigonometric substitution: Domain of $\theta$
Jul
19
comment Expand the Logarithmic Expression.
oh come on...it's just the outer log. anyway, I take your point. I'll give you an up vote ;)
Jul
19
comment Expand the Logarithmic Expression.
How did he get his second and third lines if he didn't already know that?
Jul
19
comment Expand the Logarithmic Expression.
This isn't helpful. The OP clearly knows that! Did you check their solution?
Jul
19
comment Expand the Logarithmic Expression.
$z^4$ on your fourth line should really be just $z$. why do you have $z^4$?
Jul
19
comment Computing $\lim_{\epsilon \rightarrow 0} \int_0^\infty \frac{\sin x}{x} \arctan{\frac{x}{\epsilon}}dx$
@JuliánAguirre how did you get the second equation?
Jul
18
answered Solving $8^{2x}-2\cdot8^x+1=0$
Jul
16
comment Proof of Inequality involving exponentials
@Zhanxiong Thanks for your comment. I don't know how to make use of it though.
Jul
16
asked Proof of Inequality involving exponentials
Jul
3
awarded  Teacher
Jul
3
answered Problem with simplifying $\frac{(3+h)^2-9}{(3+h)-3}$
Apr
28
awarded  Notable Question
Mar
2
revised Show that $\arctan(x)$ exists and is differentiable in $(-\pi/2, \pi/2)$
minor edit
Mar
2
suggested approved edit on Show that $\arctan(x)$ exists and is differentiable in $(-\pi/2, \pi/2)$
Feb
23
awarded  Notable Question
Feb
18
revised Hazard function for proportional odds model
edited title
Feb
18
revised Hazard function for proportional odds model
added 1 character in body
Feb
17
revised Hazard function for proportional odds model
edited title