Get motivated… try this quiz Understand the problem Arithmetic mean and Geometric mean are useful algebraic tools. They have beautiful geometric interpretation as well. The following video takes a tour into the ideas. Tutorial Problems… try these before...

Inversion is one of several geometric transformations. It has a curious power of converting lines into circles. Inversion can be used to solve many geometry problems. It also has deep relations with complex numbers. Watch the following video sequence to learn more...

The inverse of a number (modulo some specific integer) is inherently related to GCD (Greatest Common Divisor). Euclidean Algorithm and Bezout’s Theorem forms the bridge between these ideas. We explore them in a very lucid manner.