A-Level Maths
Courses
Papers
Questions
Search
Courses
LFM Pure
Proof by induction
Q14
Edexcel FP1 — Question 14
Exam Board
Edexcel
Module
FP1 (Further Pure Mathematics 1)
Topic
Proof by induction
14. $$f ( n ) = ( 2 n + 1 ) 7 ^ { n } - 1$$ Prove by induction that, for all positive integers \(n , f ( n )\) is divisible by 4 .
This paper
(18 questions)
View full paper
Q1
Q4
Q5
Q6
Q7
Q8
Q9
Q10
Q11
Q12
Q13
Q14
Q15
Q16
Q17
Q18
Q19
Q20