Mathematics (Syllabus D) · May / June 2018 · Paper 12 · Question 21
4024
As printed in the paper
The question as text
The first four terms, u1, u2, u3 and u4, in a sequence of numbers are given below. u1 = 1 # 3 + 22 = 7 u2 = 2 # 4 + 32 = 17 u3 = 3 # 5 + 42 = 31 u4 = 4 # 6 + 52 = 49
Read automatically from the paper; the printed page above is exact.
Show the answer and mark scheme
21(a)[1]
21(b)[1]
21(c)[2]
Make a free account to save your answers and see your weak topics and ask the AI why a wrong answer is wrong.