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Solve for x : ∑ n=1 [infinity] ​ 7x 9n =39 Evaluate ∑ n=6 [infinity] ​ n 2 −25 10 ​ First find the partial fraction decomposition of n 2 −25 10 ​ as Then ∑ n=6 [infinity] ​ n 2 −25 10 ​ =
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Solve for x : ∑

n=1
[infinity]
​
7x
9n
=39 Evaluate ∑
n=6
[infinity]
​

n
2
−25
10
​
First find the partial fraction decomposition of
n
2
−25
10
​
as Then ∑
n=6
[infinity]
​

n
2
−25
10
​
=

User Froeschli
by
8.2k points

1 Answer

7 votes
The answer to your question is x is equal ti n=6
User Andrii Muzychuk
by
7.9k points
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