Mathematics · Oct / Nov 2024 · Paper 42 · Question 8

5 12 oe [1]

7 12 oe [1]

FT 1 – their (a)(i)

4 35 oe [2]

M1 for 4 6 × 15 14

74 oe 105 [4]

M3 for 1 – 5 4 6 5 4 3 × + × + × oe 15 14 15 14 15 14

or M2 for 5 4 6 5 4 3 × + × + × oe 15 14 15 14 15 14 k − k 1 ×

or M1 for where k is 4, 5 or 6 oe 15 14 If 0 scored,

SC1 for 148 225 ALTERNATIVE 1

M3 for 5 10 6 9 4 11 × + × + × oe 15 14 15 14 15 14

or M2 for two of these products added oe − k 15 k ×

or M1 for where k is 4, 5 or 6 oe 15 14 If 0 scored,

SC1 for 148 225 ALTERNATIVE 2

M3 for 5 6 5 4 6 4 × × + × × + × × 2 2 2 oe 15 14 15 14 15 14

or M2 for at least two of these different products added oe

or M1 for one correct product If 0 scored,

SC1 for 148 225