Question

\text { ts)If } \sum^{\infty} c_{n} 4^{n} \text { is convergent, does it follow that the following series are convergent? } \text { (a) } \sum_{n=0}^{\infty} c_{n}(-2)^{n} \text { (b)

} \sum_{n=0}^{\infty} c_{n}(6)^{n}

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