Find the value of .

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

Problem

Find the value of 4∑k=163k−2∑k=16k\displaystyle 4\sum_{k=1}^{6} 3^{k}-2\sum_{k=1}^{6} k. (a) 4368 (b) 4284 (c) 4326 (d) 4410

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