SOLUTION: A geometric series has a second term of 6 and the sum of its first three terms is -14. Find it's fourth term. How do you work this out?
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Question 356239: A geometric series has a second term of 6 and the sum of its first three terms is -14. Find it's fourth term. How do you work this out?
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
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We can also look at in terms of .
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Now using the sum,
Two solutions:
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For the first solution, ,
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For the second solution, ,
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