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Find the first four terms of the sequence an = n(5n+5)
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Find the first four terms of the sequence an = n(5n+5)

User Thorkia
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first = 1(5(1)+5) = 1(5+5) = 10
second = 2(5(2)+5) = 2(10+5) = 30
third = 3(5(3)+5) = 3(15+5) = 60
fourth = 4(5(4)+5) = 4(20+5) = 100
User Ikes
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