Sayan Chattopadhyay

Member for 7 years, 10 months
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Interesting questions (with answers) about concepts in topology for an amateur audience

Aug 14, 2018

A combinatorial proof of the identity $\sum\limits_{k=0}^n\binom{2k}{k}\binom{2(n-k)}{n-k}=4^n$

Feb 17, 2016

Where are the transcendental numbers?

Mar 12, 2016

What is the reason for naming a function odd or even

May 17, 2016

Given $f : \Bbb{R} \to \Bbb{R}$ is a continuous function. To prove that $\int_{0}^{1}f(x)x^2 dx = \frac{f(c)}{3}$ for some $c \in [0,1]$

Mar 28, 2018

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What does $f|_A$ mean?

Feb 2, 2016

Confusing definition of limit points

Mar 20, 2016

Combinatorics question of understanding the cases where 2 cannot be counted together

Feb 16, 2016

Something $= \infty$

Mar 20, 2016

Where do I have to use Chain Rule of differentiation?

Feb 2, 2016

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