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Alec
  • Member for 8 years, 7 months
  • Last seen more than a week ago
  • Norway
11 votes
Accepted

How to find the derivative of a fraction?

7 votes

How to denote an even number in mathematics?

7 votes

What is the last digit of $7^{2015}$?

5 votes

Question about triple exponent

4 votes
Accepted

Continuity implies the intermediate value property

4 votes

Do any terms in mathematics exist to describe these concepts?

3 votes

"$1/x$ is not a continuous function since its domain is not an interval"

3 votes

How to prove: 6 | x(x+1)(x+2)

3 votes

Should I throw the dice again if I have rolled 4?

2 votes

Evaluate the limit $\lim\limits_{ x \to 0} \frac {\sin 5 x } {\sin 2 x }$

2 votes
Accepted

Explanation for derivative of $x*e^x$

2 votes
Accepted

How to find the derivative of $(e^{-t} +e^t)^3$

2 votes

How to solve $\frac{x+2}{3-x} \le 0$

2 votes

Is $+15/3$ a natural number?

2 votes

Faster way to get a rational integral $\int_2^3 \frac{x^{100}+1}{x^3+1} \, dx$

2 votes
Accepted

Is $f(x) = 2x - 1$ a function from $\{0, 1\}$ to $\{-1, 1\}$?

2 votes
Accepted

Secret Santa - Probability of no one getting themselves

2 votes

If two naturals $m, n$ are not divisible by $5$, then $m^4 - n^4$ is.

2 votes

the normal to the plane $x = z$

1 vote

Indeterminate forms limits

1 vote

Prove limit of $n^2/n!$

1 vote
Accepted

Limit $\lim_{x \to \infty} \ln x - x$

1 vote
Accepted

Reducing products in modular arithmetic

1 vote

Explanation of sums

1 vote

Probability of basketball shots in a row

1 vote
Accepted

In the context of Laplace transforms, what does the subscript in $h(t) = f(t)\cdot u_3(t)$ signify?

1 vote

Probability that the sum of the results of two fair dice is $6$, given that one of them shows $4$

1 vote
Accepted

Meaning of $^*$ after a set?

1 vote

Intuitively, what makes two vector parallel

1 vote

Limit $\lim_{x \to0^-}\ln x$