The twelfth term of a linear sequence is
47 and the sum of the first three terms is
21.
(...
Mathematics, 05.02.2021 02:00, madelyngv97
The twelfth term of a linear sequence is
47 and the sum of the first three terms is
21.
(a) Find the first term and the common
difference.
(b) Find the sum of the first 15 terms of
the sequence.
Answers: 2
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