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SchrodingersCat
  • Member for 6 years, 9 months
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  • India
18 votes
6 answers
715 views

Prove that $e>2$ geometrically.

8 votes
2 answers
2k views

How does curl relate to rotation?

7 votes
2 answers
233 views

Anomalous behaviour of a particular limit

6 votes
2 answers
3k views

Determine whether a point lies inside the curve or outside a random curve using pencil and scale

6 votes
2 answers
996 views

Show that the sequence {$\sqrt{5},\sqrt{5+\sqrt{5}},\sqrt{5+\sqrt{5+\sqrt{5}}},....$} is convergent using monotone convergence theorem

5 votes
1 answer
974 views

Prove that $R(+,.)$ is a division ring but I disproved it

5 votes
3 answers
14k views

If $\lambda$ is the eigen-value of a $n\times n$ non-singular orthogonal matrix $A$, then prove that $\frac{1}{\lambda}$ is also an eigen-value.

5 votes
4 answers
1k views

Prove that $\pi>3$ using geometry

4 votes
2 answers
195 views

What can be said about $f$?

4 votes
0 answers
109 views

Indefinite integration exercise

4 votes
3 answers
936 views

Antiderivative of $e^{x^2}$: Correct or fallacy?

4 votes
4 answers
126 views

What is the sum of $\sum_{k=0}^\infty \frac{(-1)^{k+1}}{2k+1}$?

4 votes
4 answers
355 views

Is this an elliptic integral or not?

4 votes
3 answers
1k views

Difficulty in Solution of Poisson's equation using Fourier Transform

3 votes
1 answer
478 views

Solving an ODE from a PDE

3 votes
2 answers
1k views

Proof of Raabe's Test for divergence

3 votes
3 answers
426 views

A paradox in differential calculus

3 votes
1 answer
542 views

Show that the sequence $x_n=\left[1+\frac{(-1)^n}{n}\right]$ is convergent using monotone convergence theorem.

3 votes
4 answers
778 views

Prove that $\int_0^\infty \frac{\sin nx}{x}dx=\frac{\pi}{2}$ [duplicate]

3 votes
1 answer
3k views

Proof of Kepler's Third Law

2 votes
0 answers
3k views

Surface area common to two perpendicularly intersecting cylinders

2 votes
1 answer
6k views

Show that $\epsilon_{ijk}\epsilon_{ljk}=2\delta_{il}$

2 votes
1 answer
46 views

Solve the differential equation for obtaining $x$ as a relation of $t$: $\frac{d^2x}{dt^2}=\alpha\sqrt{x}$

2 votes
1 answer
599 views

Verification of Green's Theorem homework help

2 votes
1 answer
2k views

Prove $\nabla u \times \nabla v =0$ is a necessary and sufficient condition that $u$ and $v$ are functionally related by the equation $F(u,v) = 0$

2 votes
2 answers
2k views

Solve the differential equation:$\frac{\,dx}{mz-ny}=\frac{\,dy}{nx-lz}=\frac{\,dz}{ly-mx}$

2 votes
1 answer
110 views

The number of integral solutions $(x,y)$ of $x^3+3x^2y+3xy^2+2y^3=50653$

2 votes
1 answer
1k views

Which set is more dense: set of irrational numbers or set of rational numbers? [duplicate]

2 votes
1 answer
76 views

Theorem to designate if an integral has a closed form or not

2 votes
2 answers
184 views

Number of non-negative solutions of an equation with restrictions