Sequence and Series - Geometric Progression

Sequence and Series - Geometric Progression

Find the common ratio and write down the \(n\)th term of the geometric progression \(3\), \(12\), \(48\), ..... .

Find also the sum of the first \(n\) terms.

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Answer:\(r=4\), \(T_n=3\cdot4^{n-1}\), \(S_n=4^n-1\)

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