Mathematics · Oct / Nov 2020 · Paper 21 · Question 23

5 6 m – 1 3 n [3]

B2 for correct unsimplified answer in terms of m and n e.g. 1 3 (m – n) + 1 2 m

or M1 for a correct route or for FC = m – n or CF = n – m or better e.g. = 1 AC 3 (m – n)

GH = 3 JK oe or GH has a greater magnitude GH and JK are parallel [2]

B1 for each