This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams.

In this episode you will learn:

- How to find a circle's center and radius from its general form by completing the square.

- The primary application of the vector dot product on the FE exam: finding the angle between two vectors.

- The physical meaning of the cross product's magnitude (area) and its result (a perpendicular vector).

- How to apply the 3D distance formula, a common exam-style extension of the 2D formula.

- A mnemonic to distinguish between the scalar result of a dot product and the vector result of a cross product.

For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep