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# Solutions to Exercises 11

**Question: 1****Answer:**References:
Comparison Test |
Convergence of Power Series
**Question: 2****Answer:**References:
Arithmetic of Sequences
**Question: 3****Answer:**References:
Theorem 7.5
References:
Definition of Logarithm |
Theorem 7.5
**Question: 4****Answer:**References:
Lemma from Class 23
**Question: 5****Answer:**References:
Cauchy Products