Answers

  • Brainly User
2016-06-29T08:10:11+08:00
A₁ = 3   d = 3/5

an = a₁ + (n-1) (d)

an = 3 + (n-1) (3/5)

an = 3 + ³/₅ n - ³/₅

an = ³/₅ n + ¹⁵/₅ - ³/₅

 a_{n} =  \frac{3}{5} n +  \frac{12}{5}
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