plzzzzz helpppp
Use the ratio test.
r = lim(n→∞) |[10^(n+1) (x - 2)^(n+1) / (n+1)!] / [10^n (x - 2)^n / n!]|
..= 10|x - 2| * lim(n→∞) 1/(n+1)
..= 0.
Since r = 0 < 1 for all x, this series converges for all real x.
I hope this helps!
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Verified answer
Use the ratio test.
r = lim(n→∞) |[10^(n+1) (x - 2)^(n+1) / (n+1)!] / [10^n (x - 2)^n / n!]|
..= 10|x - 2| * lim(n→∞) 1/(n+1)
..= 0.
Since r = 0 < 1 for all x, this series converges for all real x.
I hope this helps!