The sum of the first ten terms of an arithmetic series is 60 and the sum of the first twenty-two terms is 220. Find the common difference and the first term of the series.
Lagos State University MAT101 2024 past question
- Common difference 2/3, first term 3
- Common difference 3/2, first term 1
- Common difference 1, first term 2/3
- Common difference 3, first term 3/2
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