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Recursion Sequences - Problem 6
MA, Stanford University
Teaching in the San Francisco Bay Area
Alissa is currently a teacher in the San Francisco Bay Area and Brightstorm users love her clear, concise explanations of tough concepts
A recursive formula has two key elements: it tells the first term in a number pattern, and it tells how to find the "n'th" term. The n'th term is defined by the term preceding it, which is the "n minus one" term. To start,list the first term. Then try to identify what is being done to each term to move to the next number in the pattern.
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Sample Problems (6)
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Given a1 = 1, a2 = 2, and an = 2an−1 + an−2Find the next three terms.
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