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Anvit
  • Member for 5 years, 1 month
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  • India
33 votes
Accepted

Are all quadratics factorable into a product of two binomials?

5 votes
Accepted

Covariance Identity: $\operatorname{Cov}(X,Y) = E(\operatorname{Cov}(X,Y\mid Z)) + \operatorname{Cov}(E(X\mid Z),E(Y\mid Z))$

4 votes
Accepted

Is it safe to say the following about the odd prime numbers other than 5.

3 votes
Accepted

If $||x|| < \sup\{||x_i||\}$ and $||x|| > \inf\{||x_i||\}$, then is $x \in \{x_i\}$?

3 votes
Accepted

Dice with the same sum at least 5 times

3 votes

Distribution of Similar objects to different persons

2 votes

Probability of all 3 cards drawn being the same number

2 votes
Accepted

Simplification of special quartic polynomial

2 votes
Accepted

Is $f(g(x))$ convex if $f(x)$ is linear and $g(x)$ is convex?

2 votes

Why is $U ^tU $ an orthogonal projection on $\operatorname{Im}(U)$?

2 votes

Probability with restriction

2 votes
Accepted

In how many ways we can collect a total of $20$ dollars

2 votes

How Do I Get All The Possible Combinations Of Five Sets Of Data?

2 votes
Accepted

$I(x_1, x_2, . . . , x_6) = 2x_1 + 4x_2 + 6x_3 + 8x_4 + 10x_5 + 12x_6 \mod 10$ is the invariant

2 votes
Accepted

Percentage Arithmatic

2 votes
Accepted

Request for assistance on finishing the proof that $\lim_{n\to\infty}n x_n = 0$ given some initial conditions.

2 votes
Accepted

Compute $ \lceil{log_2(n)}\rceil $ through basic arithmetic operation

1 vote
Accepted

Finding a random position in the unit circle

1 vote

$\sin(x) + \cos(x) = \sqrt{2}\cdot \sin(x+\pi/4)$ but what is it as cosine?

1 vote
Accepted

Even number not the sum of two base $2$ palindromes

1 vote

Evaluate $\sum_{k=1}^n\log(x ^ {\frac{k}{2k+1}} )$

1 vote

Showing that two tuples are equal

1 vote

How is this algebraic expression turned into positive?

1 vote

Six digit number probability

1 vote
Accepted

$A\in M_{m\times n}(k)$ is one one iff row rank is $n$

1 vote

Using integral to find the area under a portion of a semicircle

1 vote
Accepted

Probability of an "at least" Question

1 vote

Series Expansion of $\sqrt{\frac{1}{x}-1}$

1 vote
Accepted

gambling strategy diagram

1 vote

Domain and range of $\sqrt {x^2-2x-8}$