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OpenStudy (anonymous):
can you find a sequence {ak} such that an+1/an>9 for all n<=100, and the series ak converges?
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OpenStudy (anonymous):
quickly! thanks a lot
OpenStudy (anonymous):
anyone know the answer?
OpenStudy (anonymous):
,,,,
OpenStudy (experimentx):
a(k) = 10^k
OpenStudy (anonymous):
@experimentX that series doesn't converge.
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OpenStudy (anonymous):
so do you know what is the correct answer?
OpenStudy (anonymous):
I have a feeling that you got the inequality sign wrong. Are you sure it's not < 9?
OpenStudy (anonymous):
yep, an+1/an >9
OpenStudy (experimentx):
I did not note that it's infinite series
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