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19-08-2021
Mathematics

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Find the 9th term of the geometric sequence 5, -25, 125, ..

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sadovnichenkoant sadovnichenkoant

21-08-2021

Answer:

5^9

Step-by-step explanation:

bn= b1*r^(n-1)

b9=b1*r^8

r=-25/5=-5

b9= 5*5^8=5^9

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