Solving roots of higher order

This is one question that I know ALL my students can excel in doing, that is solve . So I’m not interested in showing you how to solve such problems, but I want to explain a particular step [...]

2013 A-level H2 Mathematics (9740) Paper 1 Question 4 Suggested Solutions

All solutions here are SUGGESTED. Mr. Teng will hold no liability for any errors. Comments are entirely personal opinions. (i) (ii) Since is a root, Comparing the real and imaginary coefficients, [...]