A-Level
EDEXCEL
Mathematics & Further Mathematics
January 2021
QP-202101-Further Mathematics-UFP1 · Question 9
Question (excerpt):
28 9. (i) A sequence of numbers u1, u2, u3,... is defined by u u u n n + = − = 1 1 1 3 2 1 1 ( ) Prove by induction that, for n ∈ + un n = − 3 2 3 1 (6) (ii) f ( ) n n n = + + + 2 3 2 2 1 …
28 9. (i) A sequence of numbers u1, u2, u3,... is defined by u u u n n + = − = 1 1 1 3 2 1 1 ( ) Prove by induction that, for n ∈ + un n = − 3 2 3 1 (6) (ii) f ( ) n n n = + + + 2 3 2 2 1 …
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