SPS SPS FM 2021 November — Question 4 4 marks

Exam BoardSPS
ModuleSPS FM (SPS FM)
Year2021
SessionNovember
Marks4
TopicProof by induction
4. Prove that $$\sum _ { r = 1 } ^ { n } 18 \left( r ^ { 2 } - 4 \right) = n \left( 6 n ^ { 2 } + 9 n - 69 \right) .$$ [4 marks]
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Q1 Q2 3 Q3 Q4 4 Q5 4 Q6 Q7 11 Q9 Q10 4