Dunman High School (DHS) — H2 Maths Prelim Questions & Worked Solutions
2025 · Paper 1 · Complex NumbersParametric complex locus to ellipse, argument of a sum, and a quadratic from non-conjugate roots.●●●2025 · Paper 1 · Maclaurin SeriesExpand e^x sin(x+pi) by series multiplication, then match a binomial expansion to find constants.●●○2025 · Paper 2 · VectorsPosition vectors, line equation, collinearity, and angle between vectors via scalar product.●●○