A-Level
EDEXCEL
Mathematics & Further Mathematics
January 2021
QP-202101-Mathematics-UP2 · Question 5
Question (excerpt):
14 5. (i) Use algebra to prove that for all x 0 3x + 1 2 3x (3) (ii) Show that the following statement is not true. “The sum of three consecutive prime numbers is always a multiple of 5” (1) _____…
14 5. (i) Use algebra to prove that for all x 0 3x + 1 2 3x (3) (ii) Show that the following statement is not true. “The sum of three consecutive prime numbers is always a multiple of 5” (1) _____…
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