Leaving Certificate

Ordinary Level

2019 P1 Q2


Question

LC OL 2019 P1 Q2.pdf

Marking Scheme

2019 LC OL P1 Q2 MS.pdf

#Complex Numbers #Argand Diagram #Conjugate #Modulus #Show that z1 is a solution 

First 15 marks were easy (part a). Part b was a small bit more challenging as it tested your understanding of roots.

Could have solved using the -b formula if you didn't fully understand the concept of roots!