user avatar
user avatar
user avatar
Sandeep Thilakan
  • Member for 8 years, 5 months
  • Last seen more than 6 years ago
18 votes
Accepted

Finding the real solutions to $16^{x^{2} + y } + 16^{y^{2}+ x} = 1$

9 votes
Accepted

If $\{f(0)\}^{2} + \{f'(0)\}^{2} = 4$ then there is a $c$ with $f(c) + f''(c) = 0$

8 votes

Why is one proof for Cauchy-Schwarz inequality easy, but directly it is hard?

6 votes

Most useful books for a math undergrad

6 votes

A mistake in Stewart's book

3 votes

Alternative ways to solve $\frac{\sin{\theta}+1}{\cos{\theta}}\leq 1$?

3 votes
Accepted

Stable and unstable set of a dynamical system

3 votes
Accepted

What is the use of iterating over a function?

3 votes

Pathway to low dimensional topology.

2 votes

Combinatoric identity $2n\times3^{n-1}+4n(n-1)3^{n-2}=\sum_{k=1}^{n}k^2\binom{n}{k}2^k$

2 votes
Accepted

How to solve this limit of a function?

2 votes

If this two sequence such $x_{n}+y_{n}=an-1$, and $x_{n+1}$ is smallest positive integer except $x_{1},x_{2},\ldots,x_{n},y_{1},y_{2},\ldots,y_{n}$

2 votes
Accepted

What is the local trivialization $(\pi^{-1}(U),\Phi)$ associated with a coordinate chart $(U,\varphi)$?

2 votes

Domain and range of a function.

2 votes
Accepted

How to think about the elements of $F^m$ in terms of a matrix representation?

2 votes

Find the range of $k$.

2 votes

Are there lectures or notes on Vladimir Igorevich Arnold's Ordinary Differential Equations?

2 votes

Given a matrix $A$, show that it is positive.

2 votes

Help to understand and apply the multinomial theorem

2 votes

Why consider only direction cosines?

2 votes
Accepted

How to solve this geometry problem involving circles and tangents?

2 votes

An introduction to control systems

2 votes
Accepted

Sequence where the sum of digits of all numbers is 7

2 votes

Finding $\lim_{x \to 0} \frac {a\sin bx -b\sin ax}{x^2 \sin ax}$ witouth L'Hopital, what is my mistake?

2 votes

What books on analysis after someone has finished all 3 by Rudin?

2 votes
Accepted

How is this computed?

1 vote

value of $|2a+5b+5c|$ if

1 vote
Accepted

What are some helpful pre-requisites/hints/encouragement for going through Theodore Frankel's "Geometry of Physics" in a self-study?

1 vote

polynomial of degree 3 over set of rationals having only two rational zeros.

1 vote

Reference request: "initial" PDE control