Daily ChallengeMediumSequences
What is the 20th term of the arithmetic sequence: 2, 5, 8, 11, \ldots?
Qual é o 20º termo da sequência aritmética: 2, 5, 8, 11, \ldots?
Answer options
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Solution
a_{20} = 2 + (20-1) \times 3 = 2 + 57 = 59