The (Almost) Trigonometric Form of a Complex Number
When solving problems with complex numbers, it's important to keep in mind that a complex number in trigonometric...
Indefinite Rational Integrals – Third-Degree Polynomial in the Denominator
In indefinite rational integrals, as we know, it is often necessary to factorize the denominator of the integrand...
Why can’t a function graph have two oblique asymptotes as x approaches positive infinity?
To answer the question posed in the title, we don't need to go back to the definition of...
The Symbol 0 in the Limits of Functions and Sequences
When working with limits of functions and sequences, we frequently come across various mathematical oddities, such as: 0/0...
The Rank of a Matrix with a Parameter
Check out the article where I show how to calculate the rank of a matrix with one example.





