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May
23
answered Summation of Infinite Series $\sum_{n=1}^{\infty} \frac{1}{n 2^{2n+1}}$
May
23
comment Summation of Infinite Series $\sum_{n=1}^{\infty} \frac{1}{n 2^{2n+1}}$
Did you try $\sum_{n=1}^{\infty} \frac{y^n}{n} = -\ln \left(1-y\right)$
May
23
revised Understanding the definition of Cauchy sequence
added 166 characters in body
May
23
answered Understanding the definition of Cauchy sequence
May
19
comment Help Understanding Solution? (Putnam and Beyond)
Doesn't this book also provide solutions. (Solution to your question on page 367)
May
19
comment Mid-step in solving a pde
@morphism it was a silly error, I corrected it.
May
19
revised Mid-step in solving a pde
deleted 1 characters in body
May
18
comment Approximation for $\pi$
What are you expecting, validation of this approximation and some sort of variation of this approximation?
May
18
comment Approximation for $\pi$
Another interesting discussion (related) here math.stackexchange.com/questions/108510/…
May
18
answered Mid-step in solving a pde
May
18
comment Generalizing an approach to proving AMGM
Instead of going so far (generalizing), why don't you try for $n=4$ and share your answer
May
18
comment Mid-step in solving a pde
$\int 2y dy = y^2$ , you should correct that
May
17
comment Rearranging a formula
Wow! I got two downvotes on this one. (Unpleasant wow!)
May
17
revised one more clock related challenge!
added 6 characters in body
May
16
comment Rearranging a formula
I like this algebraic approach!
May
16
comment Rearranging a formula
@AmericoTavers Thanks. You have given a complete algebraic solution. My +1 for that answer.
May
16
comment Rearranging a formula
I think if it is not specified what $a$ and $b$ are people are entitled to give different approach to solving a problem. (There is not only one way to look at a problem)
May
16
revised Rearranging a formula
edited body
May
16
answered Rearranging a formula
May
14
answered Evaluating $\int y^4(1-y)^3 dy$ using integration by parts