River Valley High School — H2 Math prelim questions & solutions
River Valley High School · Paper 1Use the conjugate root theorem to find cubic coefficients b, c, d in terms of a.River Valley High School · Paper 1Solve a quadratic with complex coefficients via a complex square root.River Valley High School · Paper 1Implicit differentiation of a differential equation to build the Maclaurin series for y and e^(arctan 3x).River Valley High School · Paper 2Rotate a complex vector 90° and use parallelogram diagonals to find vertices.River Valley High School · Paper 2NEO trajectories: line-plane crossing, non-intersection condition, angle between lines, and shortest distance.