Kirthi Raman
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 May 28 comment Teenager solves Newton dynamics problem - where is the paper? Wiki says that his dad taught him Calculus at the age of 6 (Really??) - That probably beats all the records. May 23 comment How to find values of constants in the definition of a function given that function's stationary points? Are you sure those stationary points are correct? May 23 answered How come the probability here is not $1/({_{13}C_3})$? 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)