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Greebo's user avatar
Greebo's user avatar
Greebo
  • Member for 11 years, 3 months
  • Last seen more than a week ago
5 votes

Every Matrix a linear transformation?

4 votes

Axiomatic Foundations

3 votes
Accepted

Assume that the probability is $\frac12$ that a child born is a boy

3 votes

The definition of distance and how to prove the ruler postulate in Euclidean geometry

2 votes

How many values of $n<50$ exist that satisfy$ (n-1)! \ne kn$ where n,k are natural numbers?

2 votes

Find the number of $4$-letter words using $A,B,C,D,E$ with the following conditions

2 votes

Using the definition of the derivative prove that if $f(x)=x^\frac{4}{3}$ then $f'(x)=\frac{4x^\frac{1}{3}}{3}$

2 votes
Accepted

Foundations of number theory / basic arithmetic assumptions

2 votes

Calculating the fixed points of a model

1 vote
Accepted

Negative square roots and complex numbers

1 vote
Accepted

Prove that a is an eigenvalue of $p(T)$ if $a=p(\lambda)$ for some eigenvalue $\lambda$ of $T$

1 vote

What is the Peano definition of subtraction?

1 vote

Are functions which take on the values $\pm \infty$ considered unbounded?

0 votes

How to find a rational solution from an inequality involving rationals

0 votes
Accepted

Solving logarithmic equation