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Shivansh Jaiswal's user avatar
Shivansh Jaiswal's user avatar
Shivansh Jaiswal's user avatar
Shivansh Jaiswal
  • Member for 2 years, 8 months
  • Last seen more than a week ago
5 votes
Accepted

A math olympiad polynomial question

3 votes
Accepted

How to find the side length of an n sided regular polygon that is inscribed by a circle of radius r?

2 votes
Accepted

Characterize the set of complex $z$ such that $a + \frac{a+8b}{a^2 + b^2} = 2$ and $b + \frac{8a-b}{a^2 + b^2} = 0$

2 votes
Accepted

Three equations with a common positive root

2 votes

For polynomial $x^3 + x^2 - 4x + 1$, values of $\frac{\alpha}{\beta} + \frac{\beta}{\gamma} + \frac{\gamma}{\alpha}$

1 vote

How come I can't evaluate this particular integral? Why doesnt the u-substitution and reverse chain rule work?

1 vote

Prove that $e^x\geq(x+1)\sqrt {(x+1)^{\sin x}}\big{|}\cos x\big{|}$ for all $x> -1$ ( without working with derivatives )

1 vote

Intuition for expansion of higher powers

1 vote
Accepted

Minima of $\frac{a+b+c}{b-a}$ for a,b,c in $f(x) = ax^2 + bx + c \geq 0$ and $a < b$

1 vote

I don’t know how to simplify the derivative of $f(x) = -x^\frac{4}{3} + 4x^\frac{1}{3}$ or f(x) = -x^4/3 + 4x^1/3

1 vote

Minimizing $2a^2 + b^2 + c^2$ given $4a + 3b + c = 7$

1 vote

Curvature (math) and angular velocity (physics)

0 votes

Need help understanding the problem statement?

0 votes
Accepted

Solutions of a recursive equation.

0 votes
Accepted

Prove that $\cos(4\pi/7)\cos(8\pi/7) +\cos(2\pi/7)\cos(8\pi/7)+\cos(2\pi/7)\cos(4\pi/7) =-1/2$.