Answers

  • Brainly User
2016-06-26T15:05:01+08:00
Difference between first and second term, a₂ - a₂ ⇒ 5 - 2 = 3

a₁ = 2        d = 3


General Formula:  an = a₁ + (n-1) (3)

To find 12th element:

a₁₂ = 2 + (12-1) (3)
a₁₂ = 2 + (11) (3)
a₁₂ = 2 + 33
a₁₂ = 35
 
ANSWER:  The 12th element is 35.

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