8. (a) Determine whether each series converges or diverges and write a brief explanation. Σ 0.4(1.2)" n=1n² +3n+1 n (-1)"+¹.n n=1n²+3n+1 n=0

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8. (a) Determine whether each series converges or diverges and write a brief explanation.
(-1)¹¹¹ ·n
n=1n² +3n+1
n
Σ
n=1n² +3n+1
Σ0.4(1.2)"
n=0
Transcribed Image Text:8. (a) Determine whether each series converges or diverges and write a brief explanation. (-1)¹¹¹ ·n n=1n² +3n+1 n Σ n=1n² +3n+1 Σ0.4(1.2)" n=0
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