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List the first four terms of a geometric sequence with t1 = 4 and tn = -3tn-1.
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List the first four terms of a geometric sequence with t1 = 4 and tn = -3tn-1.

User AndyJ
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t1 = 4
t2 = -3(t1) = - 3(4) = - 12
t3 = -3(t2) = - 3(- 12) = 36
t4 = 3(t3) = -3(36) = -108




Hope that helps!!!
User Scott Merritt
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