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Mathematics 23 Online
OpenStudy (ally_b):

Help?? Find an explicit rule for the nth term of a geometric sequence where the second and fifth terms are -12 and 768, respectively. Is the answer 3*(-4)^n-1?

OpenStudy (mathmale):

You'll need to find the following: 1. General formula for a geometric sequence 2. First term of this sequence (yours) 3. Common ratio of this sequence think: How will you approach this? Hint: Look up "geometric sequence."

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