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Important Formulas for Test 3 Material Instructor: Ms. Hoa Nguyen ([email protected]) • Section 11.2: Arithmetic Sequence – The n -th term: a n = a 1 + ( n - 1) d . – The common diﬀerence: d = a n - a n - 1 . – The ﬁnite sum of the 1st n terms: S n = na 1 + 1 2 n ( n - 1) d . • Section 11.3: Geometric Sequence
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This note was uploaded on 05/23/2011 for the course MAC 1147 taught by Professor Nuegyen during the Spring '11 term at FSU.
- Spring '11