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Shaurya Gupta's user avatar
Shaurya Gupta's user avatar
Shaurya Gupta
  • Member for 10 years, 7 months
  • Last seen more than 4 years ago
166 votes
15 answers
66k views

Monty hall problem extended.

15 votes
1 answer
11k views

How to count lattice points on a line.

14 votes
2 answers
83k views

What is the use of Delta symbol in set theory?

12 votes
2 answers
301 views

Triplets satisfying $(a^3+b)(b^3+a)=2^c$

10 votes
3 answers
16k views

What does the derivative of area with respect to length signify?

8 votes
1 answer
362 views

Solving $f(x+y) = f(x)f(y)f(xy)$

8 votes
1 answer
169 views

What are the conditions for $n^2 \nmid(n-1)!$

8 votes
2 answers
1k views

$\text{Let }y=\sqrt{5+\sqrt{5-\sqrt{5+\sqrt{5-...}}}} $, what is the nearest value of $y^2 - y$?

7 votes
2 answers
19k views

sum of all coprimes of a number. [duplicate]

5 votes
1 answer
280 views

Intuition for rules of rounding numbers

4 votes
1 answer
6k views

Why isn't the zero after the decimal in $0.01$ significant?

4 votes
1 answer
2k views

Find $\lambda$ if $\alpha + \beta - \gamma = \pi$, and $\sin ^ 2\alpha + \sin^2\beta - \sin^2\gamma = \lambda\sin\alpha\sin\beta\cos\gamma$

4 votes
3 answers
2k views

Values of $m$ for which $y^2 + 2xy + 2x -my -3$ can be factorised

4 votes
3 answers
2k views

What is the maximum value of $4(\sin x)^2 + 3(\cos x)^2$

3 votes
3 answers
3k views

In an equilateral triangle what is sum of distance from vertices to a point inside the triangle?

3 votes
3 answers
1k views

If $a$ and $b$ are the zeroes of $x^2 + ax + b = 0$, then how many pairs of $(a,b)$ exist?

3 votes
4 answers
13k views

Why is $2^n$ the maximum number of subsets of a set of size $n$? [duplicate]

3 votes
2 answers
513 views

Pick's theorem application

3 votes
3 answers
3k views

Conditional probability intuition. [duplicate]

3 votes
4 answers
15k views

How to remember trigonometric ratios for allied angles?

3 votes
5 answers
5k views

Book with lots of geometry theorems

3 votes
1 answer
460 views

Exhaustive list of recreational mathematical concepts

3 votes
2 answers
978 views

Symmetry of product of symmetric functions

3 votes
1 answer
84 views

Number of solutions of this trigonometric equation.

3 votes
3 answers
221 views

How do I determine the sign of $\sin\theta$ in this question.

3 votes
5 answers
108 views

If $9^{x+1} + (t^2 - 4t - 2)3^x + 1 > 0$, then what values can $t$ take?

3 votes
1 answer
652 views

Convergence of $ \sum_{k=1}^{\infty}\frac{\cos(k\theta)}{k^p}$

3 votes
2 answers
453 views

Sum of the series $\tan^{-1}\frac{4}{4n^2+3}$

3 votes
0 answers
77 views

$\cot^{-1}\frac{y}{\sqrt{1-x^2-y^2}} = 2\tan^{-1}\sqrt{\frac{3-4x^2}{4x^2}} - \tan^{-1}\sqrt{\frac{3-4x^2}{x^2}} $

2 votes
1 answer
82 views

Calculating the power of prime in factorial by changing base