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Find the 22nd term: a1 = 6; d = 4
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We're not given what kind of series this is. UNSOLVABLE.
arithemetic sequences
whats the formula
He's giving us arbitrary values a_{1} and d. I don't know what they are, but I'd assume a_{1} is the first term, and d is Δa/n,∀a∈ℕ
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