15-S3-Q4 Read more about 15-S3-Q4 Cubic function, real root, algebra, trigonometry, sine function. [STEP III 2015 Question 4 (Pure)]
02-S1-Q5 Read more about 02-S1-Q5 Factorisation, product, quartic equations, integer, C1. [STEP I 2002 Question 5 (Pure)]
91-S3-Q10 Read more about 91-S3-Q10 Sum of roots, proof by induction. [STEP III 1991 Question 10 (Pure)]
