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Sandeep Silwal

"If I feel unhappy, I do mathematics to become happy. If I am happy, I do mathematics to keep happy."

Alfred Renyi

Undergrad.

216 answers
42 questions
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  • Boston, MA
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Top Posts (258) All Questions Answers | Votes Newest

13 Families of Polynomials Irreducible in $\mathbb{Z}$ but reducible in $\mathbb{Z}/p\mathbb{Z}$ for all primes $p$. Aug 2 '14
13 Inductive proof that every person supports the same team Aug 15
12 What is the sum of this? $ 1 + \frac12 + \frac13 + \frac14 + \frac16 + \frac18 + \frac19 + \frac1{12} +\cdots$ Jun 9 '14
12 How do I begin proving this binomial coefficient identity: ${n\choose 0} - {n\choose 1} + {n\choose 2} - {n\choose 3} + \dots = 0$ Apr 22 '14
7 Finding all primes $(p,q)$ for perfect squares. Apr 19 '14
7 Special Vertex Partitioning Dec 26 '15
7 Applications of Switching Sums and Integrals 5 hours ago
7 How to prove $n=\sum_{d\mid n}\phi (d)$ Apr 13 '14
7 Using Bertrand's Postulate May 21 '14
6 $4^{2^n}+2^{2^n}+1$ is Divisible by $7$ Nov 23 '14
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