Use this O-Level Mathematics June 2024 marking scheme for checking answers, revision, and study practice in Zimbabwe.
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Questions: ZIMSEC O-Level Mathematics Paper 1 June 2024 Question Paper
This is the O-Level Mathematics marking scheme for Paper 1 from June 2024. It shows how marks are awarded, so you can mark your own answers to the matching question paper. See the question paper.
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(i)
$u_{n+1}=3 u_{n}+1$
\[
\begin{array}{l}
u_{1}=0
u_{2}=3 u_{1}+1
u_{2}=3(0)+1
u_{2}=1
n=2
u_{3}=3 u_{2}+1
u_{3}=3(1)+1
u_{3}=4
n=3=3 u_{3}+1
u_{4}=3(4)+1
u_{4}=3=13
u_{4}=13
u_{1}=0, u_{2}=1, u_{3}=4 ; u_{4}=13
\end{array}
\]
(ii) Diverging.
(ii)
\[
\begin{array}{l}
u_{2}=3 u_{1}+1
u_{3}=3 u_{2}+1
u_{3}=3\left[3 u_{1}+1\right]+1
u_{3}=9 u_{1}+4
\end{array}
\]
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