The table shows the first five terms of sequences $$\(A, B\)$$ and $$\(C\)$$. Complete the table to show the $$\(n\)$$th term of each sequence.

Mathematics
IGCSE&ALevel
CAIE
Exam No:0580_w21_qp_22 Year:2021 Question No:12

Answer:

\(13-5 n\) oe final answer
\(\frac{n+1}{n}\) oe final answer
\(2^{n-2}\) oe final answer

Knowledge points:

E2.7.1 Continue a given number sequence.
E2.7.2 Recognise patterns in sequences including the term to term rule and relationships between different sequences. (Subscript notation may be used.)
E2.7.3 Find and use the nth term of sequences. (Linear, quadratic, cubic and exponential sequences and simple combinations of these.)

Solution:

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