Algebraic expressions containing radicals are very common, and it is important to know how to correctly handle them. The first rule we need to learn...

The operations with exponents are among the most fundamental operations in Algebra, and among them, the ones that involve negative exponents are the ones that...

Cramer's Rule is a technique used to systematically solve systems of linear equations, based on the calculations of determinants. Typically, solving systems of linear equations...