The first four terms of a series are 8 - 4 + 2 - 1 +

MATHEMATICS · Subjective · A Level · Mathematics · Sequences and series · Sequences and series

Problem

The first four terms of a series are 8−4+2−1+⋯ .8 - 4 + 2 - 1 + \cdots. Write a sigma notation for the sum of its first nn terms, taking the index to begin at k=0k = 0.

Related theory

Browse the problem library