Mathematics, 23.07.2019 18:30 armon15
What is the sum of the geometric sequence -4, 24, -144 if there are 7 terms
Answers: 1
= (-6)![\frac{(-4)[(-6)^{7}-1] }{(-6-1)}](/tpl/images/0124/3759/e10cf.png)
![\frac{4[(-6)^{7}-1] }{7}](/tpl/images/0124/3759/9089b.png)
![\frac{4[-279936-1]}{7}](/tpl/images/0124/3759/9fe7e.png)
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What is the sum of the geometric sequence -4, 24, -144 if there are 7 terms...
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