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secondary 4 | E Maths
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lana
Lana

secondary 4 chevron_right E Maths chevron_right Singapore

need help with part b

Date Posted: 1 month ago
Views: 85
EPQP
EPQP
1 month ago
10th term
= sum of first 10 terms - sum of first 9 terms
= 3(10)² + 7(10) - [3(9)² + 7(9)]
= 64

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Jk
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