For the sequence whose nth term is

MATHEMATICS · Single correct · CBSE · Mathematics · Sequences and Series · Sequences and Series

Problem

For the sequence whose nth term is an=5⋅3 n−1a_n = 5\cdot 3^{\,n-1}, choose the correct classification. (a) Neither arithmetic nor geometric progression\text{Neither arithmetic nor geometric progression} (b) Arithmetic progression only\text{Arithmetic progression only} (c) Geometric progression only\text{Geometric progression only} (d) Both arithmetic and geometric progressions\text{Both arithmetic and geometric progressions}

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