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secondary 4 | E Maths
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need help with part b
Date Posted: 2 months ago
Views: 94
10th term
= sum of first 10 terms - sum of first 9 terms
= 3(10)² + 7(10) - [3(9)² + 7(9)]
= 64
= 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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done
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clear
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Hope this helps
Date Posted:
1 month ago
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