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3 years ago

5

If sequence s has 240 terms, what is the 239th term of s ? (1) each term of s after the first term is 4 less than the preceding

term. (2) the 239th term of s is 952 less than the first

1 answer:

malfutka [58]3 years ago

6 0

$x_{n}$ = a₁ + d(n - 1) ; where "a₁" is the first term and "d" is the difference

a₂₄₀ = a₁ + d(240 - 1)

a₂₄₀ = a₁ + 239d

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