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OpenStudy (anonymous):
find the common ratio of the sequence 2, -10,50,-250...?
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OpenStudy (anonymous):
.12? -12? -5? -1/5
Parth (parthkohli):
It is -5, as you are multiplying -5 again and again :)
Parth (parthkohli):
Another way to say it is: \(\Large \color{midnightblue}{\rightarrow 2 * -5^{n - 1} }\)
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