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Mozahler · Answer 1 · 2017-06-16T04:23:40+0000

4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, 32, 34, 36, 38, 40, 42

a(n) = a₁ + d(n - 1)
a(n) = 4 + 2(n - 1)
a(n) = 4 + 2(n) - 2(1)
a(n) = 4 + 2n - 2
a(n) = 2n + 4 - 2
a(n) = 2n + 2

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