Maths Extension 1 study guides

A complete deep dive into the binomial theorem and combinatorics for HSC Mathematics Extension 1. Counting principles, permutations, combinations, the binomial theorem in full, Pascal's triangle, and standard exam techniques (general term, independent term, sum identities).

A complete deep dive into mathematical induction for HSC Mathematics Extension 1. The principle, the four-part structure, and worked walkthroughs of all three flavours (series, divisibility, inequalities) plus the standard exam traps.

A complete deep dive into vectors for HSC Mathematics Extension 1. Vector arithmetic, magnitude and unit vectors, the scalar product, projections, parametric vector equations of lines, and geometric proofs.